1. Open the brackets to use the correct tense form.
1) We (to speak) about this book last Saturday.
2) My sister just (to come) home.
3) I don’t think they (to finish) in time tomorrow.
4) Dick (to help) his mother about the house while his sister (to do) her homework.
5) It often (to rain) in October.
6) He didn’t understand the question they (to ask) him before.
7) Robert (to play) chess for 2 hours.