How to use SHOULD as an auxiliary in English?

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In this lesson we would learn about the uses of ‘should’ as an auxiliary. 'Should' is used as follows: 1. This is used as the past equivalent of shall in sentences like complex sentences. Although, ‘shall’ is a future tense auxiliary, for issuing a command or order we use this ‘should’ in simple present tense or acknowledging it. 2. It is also used to express or exhibit duty or obligation on one’s part. 3. When we want to say, what is advisable in certain or particular situations or circumstances. 4. When expressing duty or obligation on one’s part. 5. It is also used in the ‘future in the past’ tense. 6. It is also used in simple present tense interrogatives to express surprise or annoyance.

There are some rules regarding this auxiliary ‘should. They are: 1. In the simple present tense, the auxiliary ‘should’ is used in the verb of the present form. 2. In the present continuous tense, the auxiliary ‘should be’ is used in the verb of the present form. 3. In the future in the past tense, the auxiliary ‘should have’ is used in the verb of the past participle form. 4. In the future in the past continuous tense, the auxiliary ‘should have been’ is used in the verb of the present form ending with –ing.

Now we would come across the above conditions in the structural sentences.
When ever the sentence structure has past equivalent of shall, the examples are:
1. I asked the class teacher whether the students should wait or leave.
2. My daughter made sure that my husband should not hear the bad news.
3. The HR warned us that we should not repeat such mistakes.
4. Shouldn’t you have informed the couple earlier that they were going to make their breakfast in the Star Hotel?

Whenever the sentence structure has for duty/obligation in simple present tense, the examples are:
1. We should obey the rules of the job without exception.
(This is in the simple present tense form)
2. You should keep your words in true always.
(This is in the simple present tense form)
3. The children should not look at the films beyond 9 p.m.
(This is in the simple present form)
4. Young boys and girls should play games regularly.
(This is in the simple present form)
5. The Principal should be reading the newspaper now.
(This is in the present continuous form).

In the next lesson we would learn the remaining topic of ‘should’ as an auxiliary.

Ok…………..

Tags: english grammar modal, auxiliary verb english, auxiliary verb in english, auxiliary verbs english, grammar modal verb, grammar modal verbs, verb should, modal verb should, should verb, auxiliary verbs in english, should modal verb

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http://learn-free-medical-transcription.blogspot.com/2013/10/how-to-use-could-as-auxiliary-in-english.html

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