present perfect vs past simple

Front

What is the present perfect tense?

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. Example: 'I have eaten lunch.'

Front

What is the past simple tense?

Back

The past simple tense is used to describe actions that were completed at a specific time in the past. Example: 'I ate lunch yesterday.'

Front

When do we use 'has' in the present perfect tense?

Back

We use 'has' with singular subjects (he, she, it). Example: 'She has finished her homework.'

Front

When do we use 'have' in the present perfect tense?

Back

We use 'have' with plural subjects (they, we) and with 'I' and 'you'. Example: 'They have visited the museum.'

Front

What is the negative form of the present perfect tense?

Back

The negative form is created by adding 'not' after 'has' or 'have'. Example: 'I have not seen that movie.'

Front

How do you form questions in the present perfect tense?

Back

To form questions, invert 'has' or 'have' with the subject. Example: 'Have you finished your homework?'.

Front

What is the structure of a regular verb in the past simple?

Back

For regular verbs, the past simple is formed by adding '-ed' to the base form. Example: 'play' becomes 'played'.

Front

What is an irregular verb?

Back

An irregular verb does not follow the standard '-ed' pattern in the past simple. Example: 'go' becomes 'went'.

Front

How do you express an action that happened last night?

Back

Use the past simple tense. Example: 'He went to the party last night.'

Front

How do you express an action that has relevance to the present?

Back

Use the present perfect tense. Example: 'I have lost my keys.' (implying they are still lost now).