This subject consists of several topics of English that is used in oral and written English. They are complex sentences, reported speech, Each-either-neither-such, had hoped-would rather-would rather that-need, Some-other-one-another-the other; some-other-the other, Gerund, Must and have to-must and needn’t, Subjunctives, Conditionals, and As-like; despite - in spite of; no longer-no sooner. In each topic, you will study about the definition, formula, function, types and how to use it in oral and written language.