1.- Please, sit down I tried / tries / am trying to watch this television programme.

2.- The Titanic will travel / travelled / was travelling / to New York when it hit an iceberg and sink/ sank / was sinking in the Atlantic.

3.- The police are looking / are being looked / look / for two men who saw / have been looked / were seen / near the bank last night.

4.- Have you heard the news? Mrs. Green´s pregnant again. She will have / is going to have / is having / another baby.

5.- This letter has been opened. the active is : Sarah opens / has opened / opened the letter.

6.- Many of the world´snatural resources were disappearing /are disappearing / disappeared

7.- "Have you seen my tennis racket? " "No, I haven´t. Just a minute. I´m going to look / will look / looked / in the cupboard.

8.- I read / was reading / am reading / one of the Agatha Christie´s books at the moment.

9.- They are interviewing the president at the moment. the passive is: The president was / has been / is being / interviewed.

10.- James Dean drove / was driving / drives / a sportscar when he was dying / dies / died.

11.- The phone was / is being / is / repaired.

12.- The film ET was made by Steven Spielberg. Past Continuous Active / Past Simple Pass. / Past Simple Act.

13.- Mr. Newman was disappeared / disappeared / disappears / just before the robbery and he hasn´t seen / hasn´t been seen / wasn´t seen since then.

14.- Robert de Niro was / is / has been / an actor since 1970s.

15.- A new motorway has been built. the sentence is in : Present Simple active/ Present perf. Active / Present Perfect Passive

16.- "I can´t find my umbrella". " Don´t worry I lend / am going to lend / will lend / you mine.

17.- "Be carefull"! The ladder falls down / is falling / fell / .

18.- They took the old man to the hospital. The passive is: The old man is taken / has been taken / was taken / to hospital.

19.- We went / go / are going / skiing in the French Alps every year.

20.- I´m taking him to the doctor´s because he hurt / has hurt / hurts / his leg.