What Are Auxiliary Verbs? (with Examples)

An auxiliary verb (or a helping verb as it"s also called) is used with a main verb to help express the main verb"s tense, mood, or voice.

Bạn đang xem: Auxiliary verb

The main auxiliary verbs are khổng lồ be, to have, and khổng lồ vày. They appear in the following forms:To Be: am, is, are, was, were, being, been, will beTo Have: has, have, had, having, will haveTo Do: does, vì chưng, did, will do
There is another kind of auxiliary verb called a modal auxiliary verb (or modal verb). The modal auxiliary verbs are can, could, may, might, must, ought to lớn, shall, should, will, and would. The modal auxiliary verbs never change their forms.
Got it? Take a quichồng kiểm tra.

Examples of Auxiliary Verbs Expressing Tense

Here are some examples of auxiliary verbs expressing tense. In these examples, the main verbs are in bold và the auxiliary verbs are highlighted.She was waiting
for an hour. She is waiting in the hall. She will be waiting outside. (In each of these examples, the auxiliary verb to be helps to form the progressive sầu tense, which is the tense used for ongoing actions.)She had drunk it before we arrived. She has drunk it already. She will have sầu drunk it by then. (In each of these examples, the auxiliary verb to have sầu helps lớn form the perfect tense, which is the tense used for expressing an action"s completion.)She had been studying before the incident. She has been studying. She will have sầu been studying for a month at that point. (In each of these examples, the auxiliary verbs have sầu và been help to lớn khung the perfect progressive sầu tense, which is the tense used for expressing an ongoing action"s completion.)Read more about the tenses.

Examples of Auxiliary Verbs Expressing Voice

Here are some examples of auxiliary verbs expressing voice.Our dessert was eaten by the dog. The geese are driven through the snicket. The phone will be disconnected tomorrow. (In these examples, the auxiliary verb lớn be helps to size the passive sầu voice. A verb is said khổng lồ be in the passive sầu voice when its subject does not perform the action of the verb but has the action done to it.)Read more the voice of a verb.

Examples of Auxiliary Verbs Expressing Mood

Here are some examples of auxiliary verbs being used lớn express mood.Did you win? (Here, the auxiliary verb to vày is used lớn form the interrogative mood, i.e., khổng lồ ask a question.)Don"t forget your wallet. (Here, the auxiliary verb khổng lồ vày (in its negative form) is used to lớn form the imperative sầu mood, i.e., khổng lồ give sầu an order.) Read more about the mood of a verb.

Examples of Modal Auxiliary Verbs

Let"s now look at the modal auxiliary verbs. Modal auxiliary verbs combine with other verbs lớn express ideas such as necessity, possibility, intention, and ability. In each example below, the verb phrase is in bold & the modal auxiliary verb is highlighted. Modal auxiliary verbs expressing necessity:It is during our darkest moments that we must focus to lớn see the light. (Greek philosopher Aristotle) I don"t say we all ought to misbehave, but we ought lớn look as if we could. (Actor Orson Welles) A baby is God"s opinion that life should go on. (American Poet Carl Sandburg) Modal auxiliary verbs expressing possibility:It is never too late lớn be what you might have been. (George Eliot) If there were no bad people, there would be no good lawyers. (Author Charles Dickens) Modal auxiliary verbs expressing intention:We shall heal our wounds, collect our dead và continue fighting. (Founding father of the People"s Republic of Trung Quốc Mao Zedong) Modal auxiliary verbs expressing ability:No one can feel as helpless as the owner of a sick goldfish. (Cartoonist Kin Hubbard) Well, either side could win it, or it could be a draw. (Football manager Ron Atkinson)(Sometimes, more than one sense is expressed. Here, could expresses both ability and possibility.) Be, have và vì are not always auxiliary verbs. Here they are as the main verbs (in bold) being supported by auxiliary modal verbs (highlighted).I have sầu inspiration. If I was educated, I would be a damn fool. (Musician Bob Marley)(That should be were educated, Bob. Just sayin".) I really like vampire books. I might have a problem. (Irish writer Sarah Rees Brennan) If you can dream it, you can do it. (Enzo Ferrari)There"s another related term we should cover: verb phrase. A verb phrase is made up of the main verb & any auxiliary verbs. Any adverbs that appear alongside or inside a verb phrase are not part of the verb phrase. In each example below, the verb phrase is in bold with auxiliary verbs highlighted.Rose has been drinking heavily since breakfast. (The adverb heavily is not part of the verb phrase.)Peter is definitely taking you to the airport. (The adverb definitely is not part of the verb phrase.)

Why Should I Care about Auxiliary Verbs?

I"d wager you use auxiliary verbs & modal auxiliary verbs without giving them a second thought, so I"m mindful that this page has covered a lot of gumpf that you don"t really need. Well, that"s true provided we"re talking about working in English. If you start learning a foreign language, it won"t be too long before you"ll be unpicking how they express tense, voice and mood. And, do you know what"s a good starting point for that? Understanding how we vì it.

Xem thêm: Ronin Marvel Là Ai - Jual Ronin Marvel Murah

That said, there are three noteworthy points related khổng lồ auxiliary verbs.

(Point 1) Don"t write could of, should of, or would of.

If you ever write could of, should of, or would of, you"re toast. It"s a writing howler. It"s could"ve sầu (a contraction of could have), should"ve (should have), or would"ve (would have).

(Point 2) Use can for ability & may for permission.

Can is a modal auxiliary verb meaning khổng lồ be able lớn. May is a modal auxiliary verb meaning to lớn be permitted khổng lồ.I can whistle. (I have sầu the ability to whistle.)May I have sầu a biscuit? (Am I permitted lớn have a biscuit?)"Can I go outside, grandma?" "You can, dear. You"re just not allowed." Nowadays, can is often used for permission, especially in an informal setting.Can I have sầu a biscuit, grandma? "You can, dear. You"re just not allowed one." (Can is fine here, but, hey, it"s still a grandma"s job khổng lồ issue a "correction.")Read more about today"s leniency with can & may.

(Point 3) Exp& can"t lớn cannot not can not.

Cannot (one word) is the most common expansion of the contraction can"t. You cannot escape the responsibility of tomorrow by evading it today. (US President Abraham Lincoln) There cannot be a crisis next week. My schedule is already full. (US statesman Henry Kissinger) Can"t can also be expanded to can not (i.e., two words), but this is less comtháng và usually reserved for emphasis. I cannot do it! (Can"t is usually expanded lớn cannot.)I can not vì chưng it! (This is considered more emphatic.)Of course, the words can & not sometimes appear alongside each other when the not forms part of another construction (such as not only). Kevin can not only rap but dance too. (Here, can not must be written as two words. It"s not an expansion of can"t.)