1.cambia el tiempo verbal a "past simple"en las siguientes frases
1.we love england-we loved england.
2 they don't like the film -they didn't like de film.
3 they work on a farm -they worked on a farm.
4 Do you work in this factory-did you work in this factory?
5 where do you live?-where did you live?
6 i don't like tokyo-i didn't like tokyo
7.Does he play the guitar?-did he play the guitar
8 Does your son study here?-Did your son study here

completa las frases escribiendo el tiempo del pasado que proceda
1 he was riding his motorbike when he suddenly felkill (ride)
2 we were watching the television when it suddely stoppend 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 arrived,they said hello but continued studying (say)

3.cambia las frases del "presente perfect"a frases con un significado parecido en el "present simple"poniendo el verbo entre parentesis.sigue el ejemplo.
luis has bought a new computer (have)-luis has a new computer
1.I've 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?
they secretary has gone to lunch (not be)-she isn't here at the moment
6.we haven't cleaned the flat (be)-the flat is dirty
7.I'm sorry I've forgotten you name (not remenber)-I don't remember your name
8.figo has broken his leg (be)-his legis broken9.carolyn's had a baby (have)-carolyn 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 I've lived in valencia for five years
2.angeles and i have known each other since 1998
3.I haven't eaten anything since breakfast
4.my parents have been married for more than fifty years
5.israel has been an independent country since 1948
6.I've been really busy.I haven't been out for since about two weeks
7.we haven't seen buis and manoli since last tuesday
8.graham has had his porsche for nearly a year
9.Danny has been in michigan for two years
10.I haven't had a good steak for ages

5.ahora escribe frases con "since" y "for"siguiendo el ejemplo craig and angeles live together.they started living together five years agocraig and angeles have been living together/have lived to gether for five years.

1.grahan has a porsche.he bought it two years ago-graham has a porshe for two years
2.Deek is studying German.he started in 1999-Deek has been studying German since 1999
3.luis and craig started working on la mansion del ingles in 2001-luis and craig have been working on la mansion del ingles since 2001
4.cathy is in cuba.she went there weeks ago-cathy has in cuba for three weeks
5.tom plays the saxophone.he began las march-tom has been playing the saxophone since since last march
6.craig teaches english.he started in 1991-craig has been teaching english since 1991