A verb is a word that expresses action. The action can be physical, mental or state of being.
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Action verbs express actions. The action must not be physical only.
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Stative verbs express state or feeling including likes and dislikes. They can’t be used in continuous tense form. They stick to the simple tense form or occasionally used in perfect form.
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Auxiliary verbs are used to change the voice, tense or mood of the sentence. They are always used with the main verb to represent main action. They must be used correctly.
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Some auxiliary verbs express possibility, capability or necessity. They are not the main verbs but they do change the meaning of the sentence.
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Phrasal verbs are phrases that act individual combining two or more words to change their meanings. Mostly prepositions are added with verbs to form phrasal verbs.
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A transitive verb is one that is followed by a direct object.
Examples:
Ali often takes a nap in the afternoon.
An intransitive verb is one that is not followed by either a direct or an indirect object.
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(An intransitive verb may be followed by adjectives, adverbs, prepositional phrases but it is not followed by a noun or a pronoun functioning as direct object.)
A ditransitive verb is one that is followed by both direct and indirect objects. Though they don’t always need indirect object, but they have the option.
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There are up to five forms for each verb: root, third-person singular, present participle, past, and past participle.
The root form of a verb is the base form of the word. Roots do not include prefixes or suffixes.
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The root form of the verb is the same as the infinitive form. The difference is with infinitive form requires “to” before the root form of verb.
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For the third person singular (he/she/it/one) form of verb, the root verb ends in s (or sometimes es).
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The participle verb form is created by adding -ing to the root word. It is used in the past, present, and future progressive and perfect continuous verb tenses.
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The past verb form for regular verbs is the root word + ed. It is only used with the past tenses.
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For irregular verbs past form of verb is different from root form of verb.
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The past participle form of verb is used in present, past and future perfect sentences. They are used with has, have and had. Past participle form of verb is also used in passive voice sentences.
Like past form of verb, regular verbs become past participle form of verb by adding –ed to root verb. For irregular verbs it is different.
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Examples:
Root | Simple Past | Past Participle |
---|---|---|
Sing | Sang | Sung |
See | Saw | Seen |
Fall | Fell | Fallen |
Give | Gave | Given |
Go | Went | Gone |
An infinitive adds the preposition ‘to’ in front of a verb’s root form.
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A gerund is a verb in the progressive (present participle) form that functions as a noun, naming an activity.
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(Gerund and Infinitives can replace a noun in a sentence.)