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) it rains tomorrow. 即使明天下雨,我也要去 。such 在主句中修飾名詞 Draw a cat as I taught you . 按照我教你的畫(huà)一只貓。 表示與 將來(lái) 事實(shí)可能相反的假設(shè)和結(jié)果 it were sunny tomorrow, I would e to see you. 明天要是天氣好的話,我來(lái)看你。 1) 與現(xiàn)在事實(shí)相反: ? If 從句 …, 主句 +V原 2)與過(guò)去事實(shí)相反: ? If 從句 had Ved ,主句 +have Ved 3)與將來(lái)事實(shí)相反: ? If 從句 …, 主句 +V原 were Ved should (would could, might) should (would could, might) did should were to should (would could, might) 表示與 現(xiàn)在 事實(shí)相反的假設(shè)和結(jié)果 I were you ,I would go at once. 我是你的話,我會(huì)馬上走。 since=now that, 表示很明顯的原因 ,翻譯成“既然”,通常放句首 。 I had hardly got home when it began to rain. =Hardly had I got home when it began to rain. =No sooner had I got home than it began to rain. 4 before It will be +一段時(shí)間 +before從句 (does) 要過(guò) …… 才能做 It will not be +一段時(shí)間 +before從句 要不了 …… 就能做 It was +一段時(shí)間 +before從句 (did) 過(guò)了 …… 做了 …… It was not+一段時(shí)間 +before從句 (did) 沒(méi)過(guò) …… 做了 …… 5 since It is/ has been +一段時(shí)間+ since 從句 (did) It is 10 years