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6.10. Do: functions

The present tense forms of the verb are do and in the third person singular — does. The negative forms are do not/don't and does not/doesn 't.

The past form of do is did. Its negative is did not/ didn't.

The past participle form is done, the present parti­ciple is doing.

Do may fulfil 4 functions.

1. As a notional verb, do is used in the meaning «perform, carry out (an action), busy oneself with»: What are you doing now? What shall I do next? I will do what I can. I have nothing to do.

Do often takes various nouns to form recurrent set expressions denoting actions which are necessary in order to complete something or bring it into a desired state. For example: to do a crossword/a sum/one's homework (the cooking, the cleaning, the washing, the ironing, the shop-

ping)/one's hair/flowers/rep aires /business/exercises/sci-ence/duty/a favour/harm/good/one's best, etc.

In the Present and Past Simple tenses an additional do is necessary to form questions and negations: Do you do your morning exercises regularly? The photograph do-esn 't do her justice.

2. As an auxiliary, do is always used in the Present and Past Simple tenses to form questions and negative sentences as well as in the negative form of the imperative mood. For example: Do your children read much? She doesn't do her work properly. I don't work. Don't be so rude.

3. In the Present and Past Simple tenses do may often function as a verb-substitute to replace a verb alrea­dy used: She plays the piano better than she did last year. The same function is performed in disjunctive questions (or question tags) when do replaces the verb in the sta­tement: He lives in London, doesn't he? So you want to be a doctor, do you?

4. In the Present and Past Simple tenses and in the imperative mood do often performs the emphatic function to stress the affirmative nature of the statement: That's exactly what he did say. I do want to go! Do tell me what happened!

6.11. Shall: Junctions

The third person singular of the present tense is shall. The negative form is shall not/shan't.

Shall combines auxiliary and modal functions.

1. Shall may be used as an auxiliary in the first person both singular and plural to form the future tense: / shall have completed my report by Tuesday. We shall be away next week.

Note that in ordinary modern speech mil or its short form 'II is more often used than shall.

2. As a modal, shall is used with all persons to form statements or questions expressing obligation, duty, command and in the negative prohibition. It should be brought out prosodically. For example: Shall I open the window? (= Do you want me to open the window?) Shall the boy wait? You shall not have it! It's mine.

In this meaning shall is often used in formal writing: You shall not kill. (The Bible) Payments shall be made by check.

6.12. Will: functions

The third person singular form is will. The negative is mil not/won't.

Will performs both auxiliary and modal functions.

Will is used as an auxiliary in the second and third person singular and plural to form the future tense in statements, questions and negative sentences. For examp­le: You will miss your train unless you hurry. They say it will rain tomorrow. What time will she be arriving? He won't come to the party.

In modern English the short form 'II is regularly used in the first person singular as part of the future tense as well as mil which acquires a modal meaning of wish,

willingness or unwillingness in the negative: / will have finished the job by that time. I will never come again.

2. As a modal, will can be used with all persons and has a variety of uses. In most cases it is brought out pro­sodically.

a) It expresses willingness, intention, consent (and unwillingness in the negative): All right, I will come. We will pay the money soon. He will have his own way. We can't find anyone who who will take the job. I won't do the work. He won't listen to me.

b) When will is used in polite requests it is often equivalent to «please»: Will you come in? Will you have a cup of tea? Shut the door, will you?

c) Will may be used in negative sentences with reference to objects to show them as unable to fulfil their function: The pen won't write. The knife won't cut. The lift won't work.

d) Will may express various degrees of possibility. For example: This car will hold five people comfortably. (=can) This will be the postman at the door now. (=must) To refer action to the past mil takes a perfect infinitive: Do you think he will have got my letter yet?

e) Will is also used to indicate characteristic beha­viour or regular actions in the present. For example: Ac­cidents will happen. Boys will be boys. She will ask silly questions. He will sit there for hours looking at the traffic go by.

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