一般現(xiàn)在時(shí)代替過(guò)去時(shí)
1 ) "書上說(shuō)"，"報(bào)紙上說(shuō)"等。
The newspaper says that it's going to be cold tomorrow.
報(bào)紙上說(shuō)明天會(huì)很冷的。
2) 敘述往事，使其生動(dòng)。
Napoleon's army now advances and the great battle begins.
一般現(xiàn)在時(shí)代替將來(lái)時(shí)
時(shí)間狀語(yǔ)從句，條件句中，從句用一般現(xiàn)在時(shí)代替將來(lái)時(shí)
When, while, before, after, till, once, as soon as, so long as, by the time, if, in case (that), unless, even if, whether, the moment, the minute, the day, the year, immediately
He is going to visit her aunt the day he arrives in Beijing.
他一到北京，就去看他姨媽。
典型例題
(1) He said he________me a present unless I_______ in doing the experiment.
A. had not given; had not succeeded B. would not give; succeed
C. will not give; succeed D. would not give; will succeed.
1 ) "書上說(shuō)"，"報(bào)紙上說(shuō)"等。
The newspaper says that it's going to be cold tomorrow.
報(bào)紙上說(shuō)明天會(huì)很冷的。
2) 敘述往事，使其生動(dòng)。
Napoleon's army now advances and the great battle begins.
一般現(xiàn)在時(shí)代替將來(lái)時(shí)
時(shí)間狀語(yǔ)從句，條件句中，從句用一般現(xiàn)在時(shí)代替將來(lái)時(shí)
When, while, before, after, till, once, as soon as, so long as, by the time, if, in case (that), unless, even if, whether, the moment, the minute, the day, the year, immediately
He is going to visit her aunt the day he arrives in Beijing.
他一到北京，就去看他姨媽。
典型例題
(1) He said he________me a present unless I_______ in doing the experiment.
A. had not given; had not succeeded B. would not give; succeed
C. will not give; succeed D. would not give; will succeed.