各個(gè)時(shí)態(tài)的標(biāo)志詞

　　一般現(xiàn)在時(shí) sometimes, often, usually, always, every..., on Monday/..., on

　　weekdays,in spring/...,in the morning/...,等表示現(xiàn)在經(jīng)常發(fā)生的動(dòng)作的時(shí)間詞。It seldom snows here.

　　He is always ready to help others.

　　Action speaks louder than words.

　　一般過(guò)去時(shí) last..., ...ago, yesterday等表示過(guò)去時(shí)間的短語(yǔ)。They are going to have a competition with us in studies. It is going to rain.

　　一般將來(lái)時(shí) next..., soon, in+段時(shí)間，tomorrow等表示將來(lái)的時(shí)間短語(yǔ)。

　　現(xiàn)在進(jìn)行時(shí) now, at the moment, right now, 還有動(dòng)詞 look, listen, 及句式，It's 6

　　o'clock, It's time for sth.

　　過(guò)去進(jìn)行時(shí) at eight o'clock yesterday, at this time yesterday, from one o'clock to

　　three o'clock yesterday, between one o'clock and three o'clock

　　yesterday, when/while 從句等表示過(guò)去的具體時(shí)間短語(yǔ)。

　　現(xiàn)在完成時(shí) already,yet,ever,never, before, just. recently, these days,

　　in/during the past/last two years, how long 句式。

　　過(guò)去完成時(shí) by the end of ..., 及表示過(guò)去的從句，如，before等，主句是過(guò)去時(shí)的賓語(yǔ)從句。As soon as we got to the station, the train had left. By the end of last month， We had reviewed four books

　　過(guò)去將來(lái)時(shí) 主句是過(guò)去時(shí)的賓語(yǔ)從句中如表示將來(lái)的意思就用過(guò)去將來(lái)時(shí)。He said he would go to Beijing the next day. I asked who was going there