He is a teacher.he must be a teacher .他很可能是一名老师.为什么be前加了情态动词must 意思就改变了呢

He is a teacher.对teacher划线 -------- ------He is a teacher.对teacher划线-------- ------- he ------- He is a math teacher.He()() he is a popular teacher he is a teacher.同义句改写：he[ ] [ ] a teacher. He is not a teacher,is he?A.Yes,he is B.No he is not. He is a teacher改为一般疑问句 he is no longer a maths teacher He is a teacher复数形式 Is he a teacher?(改为复数形式) He is a teacher特殊疑问句 He iS a teacher.改为否定句 He is a teacher.改为同义句 Is he a teacher? 否定回答 Is he a popular teacher?答:yes,( ) ( ). He is a good teacher too.()Lily. He is a teacher full of experience. Is he _______(real) a teacher? is he a teacher什么意思