Задайте вопросы к выделенным словам: 1. a land surveyor solves many problems. 2. the inhabitants decide problems of survival. 3. this information includes land ownership and land tenure. 4. some people have the ability to sustain life without outside assistance. 5. a large percentage of the human race still lives in very small self-sufficient peasant communities.

1. what does a land surveyor solve? 2. who decides problems of survival? 3. who includes land owenerhip and land tenure. what does this information include? 4. who has the ability to sustain life without outside assistance. what do some people  have to sustain life without outside assistance.? 5. where does a large percentage of the human race still live?

Объяснение:

past simple:

1) I was in London last year.

2) i went round the shops, then i went to the cinema.

3) He went to the cinema yesterday.

4) The weather was fine last week.

5) Did you go to school yesterday?

6) I bought a good book the day before yesterday.

7) We had an exam on Thursday.

8) He asked me to help him.

9) I bought a lot of presents for you.

10) He did not go to the park with us.

Present simple:

1) I am a pupil.

2) My name is Ann.

3) I go to school every day.

4) What is your favourite film?

5) Do you like cakes?

6) He is my friend.

7) How much is it?

8) What do you like for dinner&

9) I like to play football.

10) How old are you?

Present cont.

1) I am doing my homework now.

2) He is cooking now.

3)Are you seeing Tom today?

4) They are eating at the moment.

5) What are you doing?

6) What are you looking for?

7) He is cleaning his room.

8) I am looking for my key.

9) What are they doing?

10)He is ridding a horse.

Future S.

1) I will help you.

2) What will you buy for mum?

3) He will do his work.

4) I will go to London next week.

5) Will he come?

6) I will write a composition tomorrow.

7) He will come to the party.

8) I will draw a picture for you.

9) Tom will ring you later.

10) I will have breakfast in my room.

Вроде так

1 If my brother is in trouble

2 I will stay at home tomorrow

3 she would not be so stout

4 if you did not smoke too much

5 If he had learnt the poem

6 I would translate this text

7 If i was a musician

8 If Barbara had got up at half past eight

9 it would not have got broken

10 if he came to my place

Это условные предложения(умовні/conditional), их можно различить по второй части предложения, здесь были задействованы такие условия:

First Conditional

If + Present Simple,   + Future Simple

Second Conditional

If + Past Simple,    + would(should/could) + infinitive

Third Conditional

If + Past Perfect,    + would + have + V3/ed