Task 3. Put the verbs in brackets into the correct passive form 1) Can you give me a lift? - Sorry, my car ... (service) ? now. 2) Because of a terrible storm last night, a lot of houses ... (flood). 3) A new library ... (open) in our town next week. 4) A picture of a famous artist (steal) from a local museum recently. 5) By the end of the working day yesterday all the necessary documents ... (type). 6) Jam ...(not/make) from candied fruit. 7) The meeting ... (just / cancel) by the chief manager. 8) The results of the exam ... (announce) by next Thursday. 9) Your microwave ... (not / repair) yet.
2. We can ( Modal verb Present Simple Active)make the computer do what we want ( Present Simple Active) by inputting signals without turning switches on and off.
3. Computers have ( Present Simple Active)a means of communicating with the user.
4. Computers work ( Present Simple Active) according to the instructions given to it by users.
5. The transistor invented in 1948 completely changed ( Past Simple Active)the vacuum tubes.