when 与 be的一些基本搭配用法和其他的一些小问题在when与be后面的紧跟的动词是不是一般都变成v-ing 这种用法?还有几个句子的问题Young people should be given opportunities to stand before counters,____(看着)at different foods and .这里划线填的look为什么要加ing呀 No car are allowed on this island,making it ideal for walking 这里的making是不是也是同样的道理The report urged that all children ____(teach)to swim 这里填 should tought 为什么teach要变成tought?That beggar seems not to have eaten anything yesterday .这里为什么是seems not to have ...而不是seems t
问题描述：
when 与 be的一些基本搭配用法和其他的一些小问题
在when与be后面的紧跟的动词是不是一般都变成v-ing 这种用法?
还有几个句子的问题
Young people should be given opportunities to stand before counters,____(看着)at different foods and .这里划线填的look为什么要加ing呀 No car are allowed on this island,making it ideal for walking 这里的making是不是也是同样的道理
The report urged that all children ____(teach)to swim 这里填 should tought 为什么teach要变成tought?
That beggar seems not to have eaten anything yesterday .这里为什么是seems not to have ...而不是seems to not have ...不是有seem to...的词组么?
答
be动词后面不是ing就是ed形式,究竟要用哪个要看主语和动作的关系是被动还是主动地.主动ing被动ed形式.look为什么要加ing：伴随状语,而且yong people和 look为主动关系,故用ing,表主动,表进行,伴随的动作 making是不...