Пожалуйста помогите перевести глаголы в правильную форму...1.The new pump(to work) for 2 hours when we(to stop) it for examination. 2.We (to study) the properties of this material before we(to begin) to useit. 3.It (to rain) all day yesterday. 4.I usually(to meet) them near our office. 5.He(to be) here for half an hour before I(to come). 6.He hardly (to finish) his work,when somebody(to knock) at the door. 7.They (to work) at the laboratory from 10 till 12. 8.You (to visit) your granny yesterday?
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