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have not seen saw didn’t see hadn’t seen
out of touch out of sight out of work out of business
came to have gone to have been to have been at
don’t see didn’t see haven’t see haven’t seen
mustn’t shan’t needn’t shouldn’t
They and I went to school They went to school, but I didn’t They didn’t go to school, but I did They and I didn’t go to school
don’t see didn’t see haven’t see haven’t seen
don't; since didn't; since don't; until didn't; until
have gone to came to have been to have been at
leave left have left had left
haven’t seen; finished haven’t seen; finishing hadn’t seen; finishing hadn’t seen; finished
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