1.Nancy wsa at school yesterday morning

1、否定句：Nancy wasn't at school yesterday morning.
一般疑问句：Was nancy at school yesterday morning?
肯定回答：Yes,he was.
否定回答：No,he wasn't.
2、I didn't do my homework last night.
Did you do you homework last night.
Yes,I did.
No,I didn't.
3、I really like cat.
4、这个小男孩能很好地说日语.
哦,真的
楼主好好学英语啊,这些都很基础的

1.Nancy was at school yesterday morning
改为否定句：Nancy was not at school yesterday morning.
一般疑问句：Was Nancy at school yesterday morning?
肯定及否定回答： Yes,she was./No,she wasn't.
...

1.Nancy wasn't .....
Was Nancy at schoole ....?
yes,she was/no,she wasn't at school ....
2.i didn't do my homework last night
Did you do your homework last night?
yes,i did/no,i didn't
3.不太会啊，不确定答案。
4.那个小男孩日语说的很好，
OH，是真的吗

1. Nancy was not at school yesterday morning.
Was Nancy at school yesterday?
Yes, she was.
No, she was not.
2. I did not do my homework last night.
Did I do my homework...