According to a survey, about 30% of British people have eaten while driving.
We use the present perfect tense here because the survey likely refers to a general habit or trend that continues to the present.
Thirty years ago cybercrime did not exist.
We use the past simple tense because the sentence describes a state in the past.
Absence from school has been in the news a lot recently.
We use the present perfect continuous tense to emphasize the ongoing nature of the situation.
Burglaries in this area have decreased since a neighbourhood watch scheme was introduced.
We use the present perfect tense to describe a change that started in the past and continues to have an effect in the present.
Last year car crime in the city centre rose significantly.
We use the past simple tense because the sentence describes a completed action in the past.
I heard on the news that two men escaped from the local prison.
We use the past simple tense because the sentence describes a completed action in the past.
Yesterday thieves stole over £1 million in an armed raid on a post office.
We use the past simple tense because the sentence describes a completed action in the past.
My school has had CCTV cameras for two years.
We use the present perfect tense to indicate a state that began in the past and continues to the present.