英語語法詳解:動詞的語氣

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一.概念
    語氣有三種:陳述語氣,祈使語氣和虛擬語氣.語氣表示說話人對勸詞所示示的動作或所處的狀態(tài)持有的態(tài)度或看法.
    二.相關(guān)知識點精講
    1.辨別if 引導(dǎo)真實條件句和if引導(dǎo)的虛擬條件句的區(qū)別
    If he has time, he will go with us.= Probably he has time and will go with us.
    If he had time, he would go with us.=But in fact he has no time.