1)looked haven't find(just now用于一般过时)(后面是现在完成时)
2)would leave(主从一致)
3)came was writing (when引导的从句)
4)teaches , does, taught, will teach(一般现在时,一般过去时,一般将来时)
5)would not be(主从一致,前面有said)
6)scientists(名词科学家)
7)differences (许多加可数名词复数)
8)twelfth(序数词第十二)
9)raining(stop doing sth停止做某事)
10)more popular(用一个和其它一部分比较,用比较级)
11)slowly(talk是动词,应用副词修饰)
12)us(动词后加代词的宾格)
13)stongly (因为blow是动词,应用副词修饰)