Оригинал на английском:
Focus on Syntax
As you already know a lot about the structure of English sentences the further information will refer only to some types of adverbial clauses.
PURPOSE CLAUSES
1. You use a purpose clause, when you are saying what someone’s intention is when they do something. The most common type of purpose clause is a “to" infinitive phrase.
I left the party early to catch the last bus.
We spoke quietly to avoid disturbing anyone.
Instead of using a “to" infinitive phrase, it is possible to use in order to or so as to with an infinitive.
I always try to write clearly in order to avoid being misunderstood. He sat in the furthest corner so as to be able to look through the magazine.
To make a purpose clause negative, you have to use in order not to or so as not to.
She went downstairs barefoot so as not to be heard.
2. Another type of purpose clause begins with in order that, so or so that. These clauses usually have a modal verb.
When the main clause refers to the present, you usually use can, may, will or shall in the purpose clause.
You should fence the hole so that people can't fall down into it. When the main clause refers to the past, you usually use could, might, should, etc.
I lifted Roy on my shoulder so that he might see the procession. You use in order that, so and so that when the subject of the purpose clause is different from the subject of the main clause. I wake up my little sister at seven, so that she has enough time to get ready for school.
If the doer of the action is one and the same, you use so as to. They stayed in the capital longer so as to see the city better.
I played the sonata again and again so as to practise before the contest.
35. Paraphrase these to get sentences wfth purpose clauses.
Example: She moved carefully because she didn’t want to wake the children.
She moved carefully (in order) not to/so as not to wake the children.
1. I gave up sugar and butter because I didn’t want to put on weight. 2. Linda gave me a call because she wanted to discuss some urgent matter with me. 3. My granny decided to take up painting because she didn’t want to be bored. 4. They drove through town because they didn’t want to use the motorway. 5. Greg left quietly because he didn’t want to disturb his parents. 6. Sue went to the kitchen because she wanted to make a cup of tea. 7. Jack came back early because he wanted to watch the football match on TV. 8. I listened to his speech attentively because I wanted to understand what it was all about. 9. The workers went on strike because they wanted to get higher wages. 10. We decided to spend our winter holidays in the Alps because we wanted to have a bit of real skiing.
As you already know a lot about the structure of English sentences the further information will refer only to some types of adverbial clauses.
PURPOSE CLAUSES
1. You use a purpose clause, when you are saying what someone’s intention is when they do something. The most common type of purpose clause is a “to" infinitive phrase.
I left the party early to catch the last bus.
We spoke quietly to avoid disturbing anyone.
Instead of using a “to" infinitive phrase, it is possible to use in order to or so as to with an infinitive.
I always try to write clearly in order to avoid being misunderstood. He sat in the furthest corner so as to be able to look through the magazine.
To make a purpose clause negative, you have to use in order not to or so as not to.
She went downstairs barefoot so as not to be heard.
2. Another type of purpose clause begins with in order that, so or so that. These clauses usually have a modal verb.
When the main clause refers to the present, you usually use can, may, will or shall in the purpose clause.
You should fence the hole so that people can't fall down into it. When the main clause refers to the past, you usually use could, might, should, etc.
I lifted Roy on my shoulder so that he might see the procession. You use in order that, so and so that when the subject of the purpose clause is different from the subject of the main clause. I wake up my little sister at seven, so that she has enough time to get ready for school.
If the doer of the action is one and the same, you use so as to. They stayed in the capital longer so as to see the city better.
I played the sonata again and again so as to practise before the contest.
35. Paraphrase these to get sentences wfth purpose clauses.
Example: She moved carefully because she didn’t want to wake the children.
She moved carefully (in order) not to/so as not to wake the children.
1. I gave up sugar and butter because I didn’t want to put on weight. 2. Linda gave me a call because she wanted to discuss some urgent matter with me. 3. My granny decided to take up painting because she didn’t want to be bored. 4. They drove through town because they didn’t want to use the motorway. 5. Greg left quietly because he didn’t want to disturb his parents. 6. Sue went to the kitchen because she wanted to make a cup of tea. 7. Jack came back early because he wanted to watch the football match on TV. 8. I listened to his speech attentively because I wanted to understand what it was all about. 9. The workers went on strike because they wanted to get higher wages. 10. We decided to spend our winter holidays in the Alps because we wanted to have a bit of real skiing.