Verbs like 'must', 'can', 'be' and other modal or auxiliary verbs are often the missing word.

The following sentences contain a missing verb. Add the missing word in the space provided.

1. The plan has .......... found to have several weaknesses.

2. We .......... have been living here for 3 years by the summer.

3. I really .......... like going out at weekends.

4. My grandfather .......... always take me for a ride in his taxi when he visited.

5. When I got home I realised I .......... left my keys at work.

6. I think you .......... to get you hair cut if you're looking for a new job.

7. To .......... taken three times a day before meals.

8. You .......... have known he'd be late. He never turns up on time for anything.