final test grammar

Front

What is the present perfect tense?

Back

The present perfect tense is used to describe actions that happened at an unspecified time before now. It is formed using 'has' or 'have' + past participle.

Front

What does 'has arrived' indicate?

Back

It indicates that someone has come to a place and is now there.

Front

What is the meaning of 'needn't have gone'?

Back

It means that there was no necessity to go, implying that the action was unnecessary.

Front

What is the past perfect tense?

Back

The past perfect tense is used to show that an action was completed before another action in the past. It is formed using 'had' + past participle.

Front

What does 'water freezes at 0°C' mean?

Back

It means that at 0 degrees Celsius, water changes from liquid to solid.

Front

What is the difference between 'are you doing?' and 'have you done?'

Back

'Are you doing?' asks about an action happening now, while 'have you done?' asks about an action completed in the past.

Front

What is an example of a question in the present perfect tense?

Back

An example is: 'Have you eaten your lunch?'

Front

What does 'if only' express?

Back

'If only' expresses a wish or regret about a situation that is not true.

Front

What is the structure of a conditional sentence?

Back

A conditional sentence typically has an 'if' clause and a main clause, showing a condition and its result.

Front

What does 'didn't need to go' imply?

Back

It implies that going was not necessary.