二、时态
1. in + 过去某一时间,用一般现在时
2. befort+ 过去年份,用过去完成时
3. for/since:
for后跟时间段,可用现在完成和一般过去时
since 后跟时间点,只能跟现在完成时
I have been a teacher for 3 years.
I have been a teacher since 1996.
I was a teacher for 3 years.
4. 自然现象、真理描述用一般现在时
时态:现在完成时和一般过去时混用
一般现在时和一般过去时混用
三、语态
考主被的混用
一个证明,二个位于,三个需要,四个情感
1. 证明:prove(vi) + to be + n./adj.
prove(vt) + sth./that +句子
my advice rpoved to be wrong
2. 位于:locate永远考被动
situate 主动:把...放置;确定位置
被动:位于
3. 需要:need, want, require
┏ 情态动词+动原
┃ ┏ doing
need ┃ 实义动词 ┃ to do ...一般
┃ ┗ to be done
┗ n.词
My watch need┏ repairing. 主动表被动
┗ to be repaired.
require┏ to be done
want ┗ doing
4. 情感:please, annoy, surprise, move
I am pleased. 主语高兴
The news is pleasing. 令人高兴
使...高兴(心烦、惊讶、感动)
Franklin is so moved.
The story is so moving.