1. cambia el tiempo verbal a "past simple"en las siguientes fraces siguiendo el ejemplo:

2. they do not like the film ------------ they did not like the film
3.they work on a farm------------- they worked on a farm
4. do you work in this factory?--------- did you work in thisfactory
5. where do you like------------ where did you like
6. I do not like tokyo----------- I did not like tokyo
7. does he play the guitar?--------- did he play the guitar
8. I do not study french----------- I did not study french
9. they late waiting------------- they lated waiting
10. does your son study here ---------------- did your son study here

2. completa las fraces escribiendo el tiempo de pasado que proceda

1. he was riding his motorbike when he suddenly felt ill (ride)
2. we were watching the television when it suddenly stopped working (watch)
3. when the ambulance came they put him inside (put)
4. I was listening to the radio when the phone rang (listen)
5. when I arrived they said hello but continued studyng (say)

3.cambia las siguientes fracesdel present perfect a fraces con un significado parecido en el present simple poniendo el verbo entre parentesis

1. Ive written the report (finish)---------------the report is finished
2. angeles has lost her keys (not find)-------------angeles cannot find her keys
3. have you seen ruben? (be)--------------- where is ruben?
4. Ive bought a new camera (have)-------------- I have a new camera
5. the secretary has gone to luch (not be)---------------she is not here the moment
6. we have not clened the fat (be)--------------- the flat is dirty
7. Im sorry, I ve forgotten your name (not remember)----------- I do not remember your name
8. figo has broke his leg (be)------------ his leg is broken
9. carolin had a baby (have)-------------carolin has a new baby
10. the pope has died (be)------------- the pope is dead

4. pon "since" o"for" en los espacios en blanco

1. for
2. since
3. since
4. for
5. since
6. for
7. since
8. for
9. for
10. for

5. ahora escribe fraces con since y for

2. deek is studying german he started in 1999
deek has be studying german since 1999
3. luis and craig started working an the mansion in english in 2001
luis and craig have been working on the mansion in the english since 2001
4. cathy is in cuba. she went there weeks ago
cathy has been in cuba for there weeks
5. tom plays the saxophone. he began last march
tom has been playing the saxophone since last march
6. craig teaches english he started in 1991
craig has been teaching english since 1991