Answer — Exercise 9
8 - A good system·Outcomes Pre-Intermediate - Student's Book
Question
Complete the sentences with a past or present form of have to or can. You may also need to use a negative or question form.
Answer
- couldn’t; Did we have to
- can’t; have to
- had to
- don’t have to
- had to; could
- had to; couldn’t
- didn’t have to; have to