be动词的用法:
(一)系动词be
1、be的时态变化 系动词be会有一般现在时、一般过去时、一般将来时、现在完成时、过去完成时等的时态变化。如:
He is a student.
It will be cloudy tomorrow.
He has been ill for six days.
It had been three hours before she left the hat shop.
be的用法及四种句子类型,麻烦给回复
be动词的用法:
(一)系动词be
1、be的时态变化 系动词be会有一般现在时、一般过去时、一般将来时、现在完成时、过去完成时等的时态变化。如:
He is a student.
It will be cloudy tomorrow.
He has been ill for six days.
It had been three hours before she left the hat shop.
我用am,你用are,is用于他她它,单数is,复数are