2. Open the brackets:
1) When Tom (to walk) along the road, he suddenly saw a strange sign.
2) Tortoises (to move) very slowly.
3) Jane (to talk) over the telephone now.
4) His sister (to come) home at 6 o`clock yesterday.
5) They (not to see) this cathedral yet.
6) Calvin and Sally (to go) to the picture gallery tomorrow.
7) My Mother (to take) care of our pet.
8) It (to rain) at 5 o`clock yesterday.
9) Ann already (to read) this book.
10) I (to see) an interesting puppet show yesterday.