Ex. 10 Use the verbs in the correct form.

1. If the solid is heated, it (to expand).

the motion of electrons (to increase).

2. In case they created the device it (to be put) into operation at once.

they (to conduct) interesting observations.

3. Had he examined the motor no overheating (to take place).

he (not to switch) it on.

1 We shall continue research if you (to help) us.

the necessary data (to be received).

2. The reactor would be brought into operation provided

all the preparations (to be completed). the designers (to come) next week.

3. We could have used this we (to know) about it before.

method if the technology of the application (to be

received).