present perfect - present simple - simple past

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 is the present simple tense?

Back

The present simple tense is used to describe habits, unchanging situations, general truths, and fixed arrangements. It is formed using the base form of the verb.

Front

What is the simple past tense?

Back

The simple past tense is used to describe actions that happened at a specific time in the past. It is formed by adding '-ed' to regular verbs.

Front

When do we use 'since'?

Back

We use 'since' to indicate the starting point of an action that continues to the present.

Front

When do we use 'for'?

Back

We use 'for' to indicate the duration of an action.

Front

How do you form a question in the present simple?

Back

To form a question in the present simple, use 'do' or 'does' + subject + base form of the verb.

Front

How do you form a question in the present perfect?

Back

To form a question in the present perfect, use 'has' or 'have' + subject + past participle.

Front

What is the difference between 'do' and 'does'?

Back

'Do' is used with I, you, we, and they. 'Does' is used with he, she, and it.

Front

What is the negative form of 'does'?

Back

The negative form of 'does' is 'doesn't'.

Front

What is the negative form of 'do'?

Back

The negative form of 'do' is 'don't'.