form

present tense

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

past tense

affirmativenegativeinterrogative
I /you /he /she /it /we /they hadI /you/he /she /it /we /they had not / hadn’thad 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