给下列单词分类。
invite   walked    give    brought    get
bought   did    had    sing    ate    have
【小题1】(today) __________________________
【小题2】(yesterday) __________________________

写出下列单词的相应形式。
1. easy (反义词) _________
2. fun (形容词) _________
3. bought (原形) _________
4. same (反义词) _________
5. wear (过去式) _________

用所给单词的适当形式填空。
1. Yesterday we _________ (pick) many apples on the farm.
2. His teacher asked him to ______ (study) English hard.
3. He ________ (be) here just now.
4. They ______(leave) in a minute.
5. Mary’s father _____ (bring) a present on her next birthday.

clap（过去式）_____________

按要求写出所给单词的正确形式。
【小题1】buy(过去式) ___________
【小题2】see(过去式) ___________
【小题3】go(过去式) ___________
【小题4】take(过去式) ___________
【小题5】sing(过去式) ___________
【小题6】eat(过去式) ___________
【小题7】buy(反义词) ___________
【小题8】relax(形容词) ___________
【小题9】first(对应词) ___________
【小题10】study(过去式) ___________