Have to, has to, had to — Exercise 1 PDF (with answers) Next ➔ Try this worksheet online Have to, has to, had to — Exercise 1 Similar Worksheets have to or has to don’t have to or doesn’t have to with a verb to fill in — Exercise Yes/No question with have to or has to have to in sentences, negations and questions — Exercise 1 have to in sentences, negations and questions — Sentence composition — Exercise 2