Раскройте скобки, поставив глагол в нужное время:
If you (to help) me, I (to do) this work well.
What you (to read) now? I (to read) Tom’s book.
At the age of twenty my father (to combine) work and study.
Ring me up as soon as you (to come) home.
Where you usually (to take) books for reading?
My sister (to get) up at eight o’clock.
For breakfast she usually (to have) a sandwich and a cup of tea.