由 be 构成的词组1. be back / in / out 回来；在家；外出2. be at home / work 在家；上班3. be good at 善于；擅长于4. be careful of 当心；注意；仔细5. be covered with 被覆盖6. be ready for 为做好准备7. be surprised (at) 对感到惊讶8. be interested in 对感兴趣9. be born 出生10. be on 在进行，在上演11. be able to do sth 能够做12. be afraid of (to do sth) 害怕做某事13. be angry with sb 生（某人）的气14. be pleased (with) 对感到高兴（满意）15. be famous for 以而著名16. be strict in (with) 严格要求17. be from 来自18. be hungry / thirsty / tire
