Before he operated the machine, he (has read – read – reads – is reading) the instructions carefully
i wish you [ can - will- may - would ] try listening to me for once
-Ahmed had a very busy morning. By the time he stopped for lunch, he (had made – made – had been making – has made) 17 phone calls.
4- Find the mistakes in each of the following sentences then write them correctly:
1- Before he sent the e-mail, he made two phone calls. 