be动词的否定用法I wasn't answer the phoneI wasn't answering the phone这两句话语法都对吗如果都对的话,再问个很菜的问题，我总是搞不清助动词BE及DO的用法，就是哪种情况下用be，哪种情况下用do,例如：do you speak english 还是are you speak english,do you live here or are you live here
问题描述：
be动词的否定用法
I wasn't answer the phone
I wasn't answering the phone
这两句话语法都对吗
如果都对的话,
再问个很菜的问题，我总是搞不清助动词BE及DO的用法，就是哪种情况下用be，哪种情况下用do,例如：do you speak english 还是are you speak english,do you live here or are you live here
答
be动词用于系表结构句，或者进行时。do用于实义动词的一般现在时。
你的第一句错了，应该是：I don't answer the phone.不过也有点怪怪的，还是用I didn't answer the phone.好些。
答
be动词和一般动词否定是不一样的,be动词的否定式是直接在be动词后面加not,一般动词后面不能直接加not,需要借助于助动词do、does、did再加not,助动词后面一定用的是原形动词,如：I didn't answer the phone.I wasn't ...