She (to lear) many terms every day. 2) high performance of the car (to depend) on proper operation.. 3) where she (to study) ? 4)many new cars (to appear) every day. 5)who often (to help) you to do sums. 6) who he (to be) late ? 7) i (not can) understand your pronunciation.

She  learns many terms every day. 2) High performance of the car depends on proper operation. 3) Where does she study? 4) Many new cars appear every day. 5) Who often helps you do sums? 6) Why is he late ? 7) I can't understand your pronunciation.