form

present tense

affirmative

negative

interrogative

I have / I‘ve
you have / you‘ve
he/she/it has
he‘s / she‘s / it‘s
I have not / I haven’t
you have not / you haven’t
he/she/it has not
he hasn’t / she hasn’t / it hasn’t
 
have I?
have you?
has he/she/it?
we have  / we‘ve
you have / you‘ve 
they have / they‘ve
we have not / we haven’t
you have not / you haven’t
they have not / they haven’t
have we?
have you?
have they?

past tense

affirmative

negative

interrogative

I /you /he /she /it /we /they had I /you/he /she /it /we /they had not / hadn’t had I /you /he /she /it /we /they?

exercises

has or have

has, have or had

useful pages

  • exercises for practising short yes/no answers (Are you tired? Yes, I am / No, I’m not)
  • exercises for practising the tag-question (He is going, isn’t he)
  • exercises for practising am/is/are
  • exercises for practising the simple past