November 2012

Active and passive voice: overview chart

November 30, 2012

Here is a quick overview of the active and passive voice verb forms. Tense Active voice Passive voice Simple present tense Verb form: first form of the verb Examples They speak English here. He speaks English.   Verb form: is / am / are + past participle form of the verb Examples English is spoken [...]

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Using the present perfect tense

November 29, 2012

Form: has / have + past participle form of the verb Affirmative Negative Question I have worked. I have not worked. Have I worked? He has worked. He has not worked. Has he worked? She has worked. She has not worked. Has she worked? They have worked. They have not worked. Have they worked? We [...]

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Using must, should and ought to

November 28, 2012

We use must in affirmative sentences to say what is necessary and to give strong advice and orders to ourselves or other people. Children must learn good habits. (Necessity) Our companies must increase their productivity. (Necessity) You really must stop smoking. (Necessity) That child must learn to say ‘thank-you’. Talking about obligation Must can be [...]

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Should with perfect infinitive

November 27, 2012

Should can be used with the perfect infinitive (have + past participle). This structure has several meanings. Should have + past participle This structure is used to talk about past events which did not happen. I should have posted that letter yesterday itself, but I forgot. She should have knocked at the door before entering [...]

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