1. 这张票是她的，不是我的。
[误] This is hers ticket. It's not my.
[正] This is her ticket. It's not mine.
[析] 物主代词有形容词性物主代词和名词性物主代词之分。形容词性物主代词之后一定要接名词，而名词性物主代词之后不需接任何词。
2. 吴老师教我们英语。
[误] Miss Wu teaches our English.
[正] Miss Wu teaches us English.
[析] teach sb. sth.中的sb.作teach的宾语，因此当sb.为人称代词时要用其宾格形式。