verb to be

The verb 'to be' is a linking verb used to describe a state of being or existence.

'I am' is the present tense form of 'to be' for 'I'.

'He is', 'She is', and 'It is' are the present tense forms of 'to be' for 'he', 'she', or 'it'.

'We are' and 'You are' are the present tense forms of 'to be' for 'we' or 'you'.

'He isn't' is the negative form of 'he is'.

'I am not' is the negative form of 'I am'.

'They aren't' is the negative form of 'they are'.

You can ask a question by placing 'to be' before the subject, like 'Is he at work?'.

'She is happy.' is an example of a statement using 'to be'.

'Is' is used with singular subjects, while 'are' is used with plural subjects.