1. A surcharge of 10 percent (is added to) ... patrons' bills to cover gratuities tj hotel staff. (Present Indefinite)
2. Surplus grain (was sent to)...the stricken area and (distribute)...the starving population. (Past Indefinite)
3. These recordings (were make during)...the rehearsals immediately preceding the concert. (Past indefinite)
4. A member of the Opposition pointed out that very few new hospitals (had been built by)...the end of the war. (Past Perfect)
5. He wanted nothing except (leave)...peace. (Infinitive)
6. Don't you think a solicitor should (have been consulted concerning)...this question? (Perfect Infinitive)
7. These tablets should (be kept out)...of the reach of children. (Infinitive)
8. The full impact of the strike (won't be felt until)...next week, by which time present stocks (will have been exhausted). (Future, Future Perfect)