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What are auxiliary verbs? Grammar Toolkit. A non-finite verb can become a finite verb with the help of an auxiliary or “helping” verb. Auxiliary verbs.

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Presentation on theme: "What are auxiliary verbs? Grammar Toolkit. A non-finite verb can become a finite verb with the help of an auxiliary or “helping” verb. Auxiliary verbs."— Presentation transcript:

1 What are auxiliary verbs? Grammar Toolkit

2 A non-finite verb can become a finite verb with the help of an auxiliary or “helping” verb. Auxiliary verbs give the resulting verb its tense. Let’s start with the present participle looking. looking By itself, it doesn’t have a tense and can’t have a subject. is The auxiliary verb is makes the verb complete and gives it a tense (present tense.) Mickey The complete verb can now have a subject. The complete finite verb becomes is looking.

3 Grammar Toolkit Auxiliary verbs are forms of the verbs have, do and be. Choose an auxiliary verb for each non-finite verb. What tense does the complete verb get? I ______ cleaning. She _______sure. We to go. Yuki and Sanj coming. I know. am present have has do does did be am is are was were being been was past have present are present did past

4 Grammar Toolkit Modal verbs are a type of auxiliary verb. They help a non-finite verb express possibility, obligation or permission. Choose an auxiliary verb for each non-finite verb. What tense does the complete verb get? we dance? You eat. Mia run fast. Jack go. They know. Shall future can could may might must shall should will would must present can present will future might present

5 Grammar Toolkit A main verb plus one or more auxiliary verbs makes a verb phrase. Carlos playing. is been is will was have had was had been will have been mayhavebeenplayed Verb phrases can become quite long. What verb phrases can you make with these auxiliary verbs?

6 Grammar Toolkit Many subjects and their auxiliary verbs are written as contractions. Contractions are words or phrases with an apostrophe to show missing letters. I’m home. = I am home. Cristina’s here. = Cristina is here. Many negative verb phrases are also written as contractions. She hasn’t sold it. = She has not sold it. He didn’t arrive. = He did not arrive.

7 subject + auxiliary verbcontraction I have you are I had it’s they’re Grammar Toolkit Do you know what these contractions mean? contractionnegative verb phrase can’t don’t shouldn’t will not had not I’ve you’re I’d it is they are cannot do not should not won’t hadn’t

8 Grammar Toolkit Verbs have different forms. A finite verb is a verb with a subject and tense. A non-finite verb doesn’t have a subject or tense and cannot be the main verb in a sentence. Non-finite verbs can become finite verbs with the help of auxiliary verbs (forms of the verbs have, do and be), including modal verbs. Adding one or more auxiliary verbs to a main verb forms a verb phrase. Many subjects and their auxiliary verbs are written as contractions (e.g. she’d = she had), as are negative verb phrases (e.g. don’t = do not).

9 Grammar Toolkit


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