GRAMMAR  - PASSIVES

 CHOOSE THE BEST WAY TO COMPLETE THE SENTENCES BELOW:

1)  He may forget the password. The password may be forgot.  The password may been forgot. The password may have been forgotten. The password may be forgotten. 2)  He should have done the assignment. The assignment should have been done. The assignment should be done. The assignment should had been done.  The assignment should have been did.  3)   John has completed the project. The project completed by John. The project has been completed by John. The project was completed by John. The project has completed by John.  4)  He should have done the assignment. The assignment should be done.  The assignment should had been done. The assignment should have been did. The assignment should have been done. 5)  They ought to change the law. The law ought to been changed.  The law ought been change. The law ought to be changed. The law ought to have been changed. 6) We might see a comet tonight. A comet might could be seen tonight. A comet might be saw tonight. A comet might be seen tonight. A comet might have been seen tonight.  7)  I have received your letter. Your letter have been received by me. Your letter has been received by me. Your letter has been receiving by me.  Your letter was received. 8)  She was reading a book by Tolstoy. A book by Tolstoy has being read by her.  A book by Tolstoy was being read by her. A book by Tolstoy is being read by her. A book by Tolstoy was read by her. 9)  She had seen the movie before. The movie had been seen by her before.  The movie had seen by her before.  The movie was seen by her before. The movie is seen by her before.  10)   Haven't they painted the building yet? Hadn't the building been painted yet? Hasn't the building been painted yet? Isn't the building painted yet? Wasn't the building painted yet?