I.Підкресліть в кожному реченні присудок та вкажіть його форму. Речення перекладіть.

1. We shall see the picture on the screen 0.1 of a second after it has actually disappeared.

2. We had studied the properties of this material before we began to use it.

3. Before the charged rod touches the electroscope the leaves of the electroscope will have diverged.

4. By 6 o’clock we shall have been testing the system for 3 hours.

5. Two members of the group had been designing a machine to enable the blind to read.