The verb in a sentence expresses action or being. There is a main verb and sometimes one or more helping verbs. (“She can sing.” Sing is the main verb; can is the helping verb.) A verb must agree with its subject in number (both are singular or both are plural). Verbs also take different forms to express tense.

Common Collocations
Common Collocations On this page, you can find a few short lists of common collocations to give you more of an idea about them. Many good...
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affect/effect
What is the difference between Affect and Effect? The simplest answer is that “Affect” is a verb while “Effect” is a noun...
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active verb forms
1- future, present, and past; simple, progressive and perfect English verbs can refer to future, present or past time, and for each kind of time...
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prepositions (2): after particular words and expressions
It is not always easy to know which preposition to use after a particular noun, verb or adjective. Here are some of the most common combinations...
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