should和shouldn't后加动词ing吗

should和shouldn't后加动词ing吗 should 和 shouldn't 分别+ shouldn't 后加什么 后面的动词要加三单形式吗?例如：She shouldn't do(es) exercise.shouldn't后是do 还是does they should test the types of oil in the laboratory,____?后加shouldn’t they 还是 didn't they shouldn't 开头要加be动词吗 可不可以直接 Shouldn't shouldn't后面的动词末尾要加s吗例如：It means you shouldn't... 健康英语句子要有should和shouldn't的 英语,用We should和We shouldn’t 造句 越多越好 用should和shouldn‘t各造3句, 运用should/shouldn't造句 should 和 shouldn't 分别＋什么 should是用在肯定句中吗 shouldn't 使用在否定句中吗 should后加什么形式的动词? should后加动词什么形 should 后加动词的什么形式? 英语语法：否定词一般都是放在情态动词后 i shouldn't ,i should never 但是今天看到一本书有用了I never should 请问这是被允许的吗?not 也可以放在情态动词前吗? We ( ) (should / shouldn't) be quiet in the library .选择动词的适当形式填空 用‘’主+should/shouldn't+动词原形+其它‘’分别造几个句子 shouldn t后加原型还是ing形式