I. Put in the correct verb form:
1. If he (be) late, we will have to go without him.
2. If I (become) a president, I (change) the social security system (said by a schoolboy; improbable).
3. If I (be) you, I would tell my father.
4. If you (warn) me, I (not tell) your father about that party. (But you didn’t and I have.)
5. If you (warn) me [then], he (not be) in prison [now].

The children  could  help you,  couldn't they  ? the children  go  there every day,  don't they?   the children  went  there every day,  didn't they? sam  wrote  the exercise,  didn't he? we  have got something to tell her,  haven't we? there is  something interesting in the box,  isn't there? mrs smith  spends  her holidays in finland,  doesn't she? mr write  spent  his holidays in london,  didn't he? helen  sent  a lot of postcards,  didn't she? helen  sends  a lot of postcards,  doesn't she?  

We walked in the park.2 i went to the bathroomand  washed my fase and hands.9 at the railwaystation he met his friend yesterday.5 my son ate meat and drank juice.i was at school.  3 then i dressed8 they returned home late at night.i read a book yesterday. 1. on tuesday i got up at half past six.i played computer games yesterday.4 boris woke up when it was already quiete light.we sang songs in the bar.i listened to music two hours ago.i took that book in the library.we watched tv yesterday. i went to the cinema yesterday.7 at about eleven o’clock we went to bed.he worked in an office.6 i did some work about the house.10 i didn’t drink tea  yeasterday