An emergency may occur at any time.

According to some scholars, a major earthquake could occur at any moment now.

Bright ideas never occur to me.

It may occur at any moment.

Accidents of this kind often occur.

These structures would rarely, if ever, occur in spoken English.

I'll do my best to ensure that such mistakes don't occur in the future.

This kind of thing doesn't occur very often.

There is no telling when an earthquake will occur.

Nobody knows when the earthquake will occur.

Traffic accidents are likely to occur on rainy days.

In fact, the opposite is more likely to occur.

A budget deficit will occur because of a revenue shortfall.

The important point concerning the complementary distribution is to specify the environment where the individual sounds occur.

Didn't it occur to you to shut the windows?

Earthquakes may occur at any moment.

We often hear it said that an earthquake may occur at any moment.

Earthquakes can occur at any hour.

Didn't it ever occur to them that they would be punished?

They are apprehensive that some further disaster might occur.

That's the fact that avalanches occur after mountain fires.

Convulsions can occur when they run a fever.

Precognition is the act of using spiritual-power to know things that will occur in the future.

"Pet loss" refers to the reactions of shock and anger that occur in owners who have been bereaved of their pets.

It's the prevention of migraines during daily life that's important, not dealing with migraines when they occur.

Did it not occur to you to close the windows?

When did this occur?

Most car accidents occur due to the inattention of the driver.

They say most airplane accidents occur at landing or takeoff stages.

Lightning can occur during a storm.

When did the error occur?

Did the error occur right from the start or later on? - When?

Does the error occur regularly or sporadically? Is the error reproducible?

Most airplane accidents allegedly occur at landing or takeoff stages.

As is being said, most airplane accidents occur at landing or takeoff stages.

Some English speakers think that omission of the subject does not occur in their language, however, the subject of phrases like "thank you" or "bless you" is omitted.

Where do you think any problems might occur?

Overlap can occur.

The President cannot make clouds to rain and cannot make the corn to grow, he cannot make business good; although when these things occur, political parties do claim some credit for the good things that have happened in this way.

Hurricanes usually occur in June.

I think it's unlikely that a situation like this one would ever occur again.

According to the data in this problem, can we affirm that reflection or refraction is going to occur?

When will that occur?

But unfortunately, this will not occur very soon.

These phenomena occur but rarely.

Be on alert. The evacuation order may occur at any moment.

There is no guarantee that interference will not occur in a particular installation.

We must build toward the time when a major depression cannot occur again; and if this means sacrificing the easy profits of inflationist booms, then let them go; and good riddance.

The major advances in civilization are processes which all but wreck the societies in which they occur.

However, I think that before making the decision to arrange an international wedding, one should weigh the considerations for and against, and be prepared for the additional challenges that generally occur in the lives of the family members.

Such a strange affair will not occur again for a long time.

What elements must occur?

What elements can occur?

The President cannot make clouds to rain and cannot make the corn to grow, he cannot make business good; although when these things occur, political parties do claim some credit for the good things that have happened in this way

If these drugs are stopped abruptly, then some withdrawal symptoms may occur.

What complications can occur with such an operation?

There are those who claim that a catastrophe will occur in 2012.

A great love is a credit opened in favor of a power so consuming that the moment of bankruptcy must inevitably occur.

Tentacles usually occur in pairs, sometimes with both sensory and manipulatory functions.

Illness can often occur at a very inconvenient time.

Many problems can occur when employees inside the company are compartmentalized and don't communicate with each other.

That didn't even occur to me.

That did occur to me.

In the longer term, sea level rise, extreme storm surge events, and high tides will affect coastal facilities and infrastructure on which many energy systems, markets, and consumers depend. As new investments in energy technologies occur, future energy systems will differ from today's in uncertain ways.

While most ectopic pregnancies occur in the Fallopian tube, it is also possible for them to occur in the ovaries, abdomen, or cervix.

While most ectopic pregnancies occur in the Fallopian tube, it is also possible for them to occur in the ovaries, abdomen, or cervix.

Did it ever occur to you that I might be busy this afternoon?

When did these delusions first occur?

Did it ever occur to you that I might want to stay in Boston for a few more days?

What time did that occur?

Mars contains highlands which occur in the southern hemisphere.

The International Ultraviolet Explorer provided information about physical conditions in the central regions of distant galaxies that may contain black holes. It also provided scientists with more knowledge of the physical conditions in very hot stars, the effect of solar winds on the atmospheres of the planets in our solar system, and the loss of mass from stars when stellar winds and flares occur.

The most common symptom of miscarriage is vaginal bleeding, which may occur with or without pain.

How did that occur to you?

Why did this occur?

How did that occur?

How can this occur?

Some scientists believe that our first contact with extra-terrestrial life will occur in the next decade or so.

Where did the tragedy occur?

Let this occur to no one.

The pilot worries that takeoff, which is scheduled to occur in an hour, will be delayed due to fog.

Seventy-five percent of the world's tornadoes occur in the US.

It would never occur to Tom to keep a confidence if he thought that revealing it might assuage his soap bubble of an ego.

Natural teak forests occur in only four countries: India, Laos, Burma and Thailand.

When did it occur?

Buttons occur when you press the screen and disappear again after 3 seconds.

Many animal studies unambiguously show certain substances to be poisonous or of medical value in animals, but the results of later studies conducted on humans show that these effects do not occur in people. In other words, the results of these animal studies were useless for producing information of benefit to humans.

I am not aware of any evidence that such an event will ever occur.

I'm only writing down a few names that spontaneously occur to me.

New words occur every day.

While hurricanes and other violent weather occur frequently on our planet, thankfully, we don’t encounter them every day.

While hurricanes and other violent weather occur frequently on our planet, thankfully, we don’t encounter them every day. Our solar-system neighbors, however, are not so lucky.

Misunderstandings do occur.

Mass strandings occur around the world and can affect anywhere from three to several hundred animals during any given event.

Hu pioneered a method to detect surface minerals on bare-rock exoplanets and defined the atmospheric chemical signature of volcanic activity, which wouldn't occur on a gas planet.

Now lean back, and listen attentively to whatever I may care to say to you. If any remark should occur to you, you can reserve it for some more opportune time.

The greatest number of the Earth's volcanoes occur on the ocean floor.

Sixty percent of all active volcanoes occur at the boundaries between tectonic plates.

There is no evidence that mysterious disappearances occur with any greater frequency in the Bermuda Triangle than in any other large, well-traveled area of the ocean.

Oceanic and atmospheric Rossby waves — also known as planetary waves — naturally occur largely due to the Earth's rotation. These waves affect the planet's weather and climate.

Rossby waves, also known as planetary waves, naturally occur in rotating fluids. Within the Earth's ocean and atmosphere, these waves form as a result of the rotation of the planet.