Negative replies have the following structure: No, subject + auxiliary verb + not Read the following sentences. Have they lodged a complaint? No, they haven’t… Continue reading
Should / ought to / must have + past participle
The structure should / must / ought to have + past participle is used to say what one thinks was essential. You should have locked… Continue reading
Verbs of incomplete predication
An intransitive verb does not have an object. However, it manages to express a complete thought without the help of other words. Look at the… Continue reading
Using either and neither
Either means one or the other of two. Neither means not either. Both either and neither are used to talk about two people or things.… Continue reading
Adverb clauses
Study the following sentences. They started in the morning. (Started when? – in the morning) They started before the sun rose. (Started when? – before… Continue reading
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