Put the verbs in the brackets into correct forms or tenses in the following sentences

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VI. Put the verbs in the brackets into correct forms or tenses in the following sentences
41. The flight to Florida has to (change)
42. There's someone behind us . I think we (follow)
43. We (be)
because of the rough weather.
at the beach for three hours last night.
44. When I got to the movie theatre, the film (show)
45. He is saving his money so that he (take)
a long vacation.
46. I (never, forget)
what you have just told me.
to the bookshop by me.
47. My little daughter enjoys (take)
48. She always objects to people (make)
noise when she is speaking.
49. When I came to the stadium, the football match (already, start).
50. How many times you (be)
to London this year?