should i be allowed to make my own decision这句话,为什么用的是“be"却不用"am was"来表示

翻译：I should be allowed to take the test later. should be not allowed to Mon,I am () a kin ().I should be allowed to make a decision by myself. You should be allowed to smoke You should be allowed to smoke Should students be allowed to cut classes? Should I be allowed to make my own decisions 中的重点 句型转换 I don't think sixteen-year-olds should be allowed to drive. i think you should not to be allowed to smoke 中文意思 以should i be allowed to make my own decision写一篇英语作文 i think sixteen years old should not be allowed to ( )A.sing B.drive C.dance I think should be allowed to choose their own clothes空格地方填什么 I think students should be allowed to wear their own clothes.(改为否定句 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 i think teenagers should ______ drive.they are not serious enough1.be allowed to 2.not be allowed to 3.not allow to I think I should be allowed to make decision __ myselfA with C for ,为什么不是A? I think I should be allowed to make decisions _________ myself.A.with B.to C.for D.against i think i should be allowed to make decisions for myself.myself前面为什么加for,去掉可以吗