Present perfect & simple past

Front

What is the simple past tense used for?

Back

The simple past tense is used to describe actions that were completed at a specific time in the past.

Front

What is the present perfect tense used for?

Back

The present perfect tense is used to describe actions that occurred at an unspecified time in the past or that started in the past and continue to the present.

Front

How do you form the simple past tense for regular verbs?

Back

For regular verbs, the simple past tense is formed by adding -ed to the base form of the verb.

Front

How do you form the present perfect tense?

Back

The present perfect tense is formed using 'have' or 'has' + the past participle of the verb.

Front

Give an example of a sentence in the simple past tense.

Back

I visited my grandparents last weekend.

Front

Give an example of a sentence in the present perfect tense.

Back

She has traveled to France three times.

Front

What is the past participle of the verb 'go'?

Back

The past participle of 'go' is 'gone'.

Front

What is the difference between 'I have seen' and 'I saw'?

Back

'I have seen' indicates an experience at an unspecified time, while 'I saw' refers to a specific event in the past.

Front

When do we use 'yet' in present perfect sentences?

Back

'Yet' is used in negative sentences and questions to indicate that something has not happened up to the present time.

Front

What is the structure of a negative sentence in the present perfect tense?

Back

The structure is: Subject + have/has + not + past participle.