allow过去式allowed为什么不双写w

allow过去式allowed为什么不双写w people ____ to take photos in the museum.A.allow B.don't allow C.aren't allwed D.are allowed为什么是选C的 allwed 为过去式 为什么are 不用过去式是不是被动语句啊.貌似是的哦 Smoking_____here.A.doesn't allow B.not allow C.isn't allowed D.isn't allow 选C为什么 smoking and eating are not allowed in the computer classroom为什么不能用smoking and eating don't allow in the computer classroom Student __to eat in class.A,are not allow,B,are not allowed,选择哪一个,为什么? It is not allowed to go boating in the lake为什么allow要加ed Taking pictures is not allowed in the museum.这道题中的allow为什么后面要加ed? i am allowed to study at a friend's house 为什么allow加ed allow doing 与be allowed to do 区别The workers said I should not be allowed to smoke here和They do not allow somking in the waitting room.中为什么allow一个用to to 一个用doing 28.We finished the run in less than half the time( ) a.allowing b.to allow c.allowed d.allows为什么不能用A.逻辑主语是哪个?The time? You ________ (allow) to take so much luggage with you.请填写合适的动词形式答案中用的是won't be allowed,不太明白为什么。没有语境 英语固定搭配allow doing sth为什么有时allow用过去式啊不是固定不变的吗 allow用法With the mayor's help ,we were at last allowed access to those people.allow为什么后面没有to 而直接跟access 关于allow的被动用法 急正确的是:Speaking Chinese is not be allowed!还是 Speaking Chinese is not allowed!有没这个BE?为什么? 对与错为什么we do not allow people to smoke here.people are not allowed smoking here.people are not allowed to smoke here. 这个句子为什么会有两个谓语动词?We finished the run in less than half the time( ) A.allowing B.to allow C.allowed D.allows为什么选C不选A.还有,你有没有发现,如果选C,这里有两个谓语动词,finished和allowed. i think i should be allowed make decisions for myself,allow是动词,为什么还用be,for能否省略 people allow smoking here这句有错误吗?为什么不是people allowed smoking here什么是动名词 和 宾语补足语