31. They recommend (walk)_________________ around the lake
32. They recommend me (walk)_________________ around the lake
33. They encourage us (do)_____________ the test
34. They encourage (do)______________ the test
35. He denied (have)________________ been there.
36. His plan is (keep)______________ the affair secret.
37. It seems impossible (save)____________ money
38. It’s time we (water)______________ the flowers in the garden
39. The guest had the porters (carry) _______________ their luggage upstairs.
40. We incidentally saw the plane (crash)_______________ into the mountain.
41. The man noticed his assistant (leave)_____________ work earlier than usual.
42. They stopped (look)__________ at the pictures.
43. They stopped (smoke) _____________ because it is bad for their
health.
44. The water in this glass is too hot (drink)_______________.
45. It’s high time we (go)_____________ to work
46. They speak slowly enough for me (understand)_______________.