fall和fell的区别到底哪个是原型呢?还有它们2个的区别是?是fall in love with还是fell in love with?和它们有关的短语还有哪些?

fall和fell的区别到底哪个是原型呢?还有它们2个的区别是?是fall in love with还是fell in love with?和它们有关的短语还有哪些? fall ill和fell ill的区别 fall off和 fell off的区别? fall off 和 fell off 是一样的吗?但网上说他们都是跌落,应该有区别呀,怎么回事呢? fell asleep 和fall asleep区别 She ____the dish down to the floor when someone knocked into her .A fall B drop C fell D droppeddrop 和fall 的区别是?选择理由是? pay attention to do/doing到底是ing 还是原型呢 学校老师说是ing 可是英语班的说是原型 到底是哪个 我都混了。 fell in love和fall in love区别?求教! 请教英语高手们一个关于fell asleep的问题.fell asleep可以换一种形式写吗?比如说过去式：fall asleep .学校老师和外面的老师回答是矛盾的,到底可不可以啊! fell away 和fell off的区别,fell fall down和fall off的区别 fall off 和fall from 的区别 fall sleep和fall asleep的区别? 如题fall in love with和fell inlove with有什么区别?不是时态的吗? fall down和fall of和fall from的区别 fell fall feel的过去式 I fell over on the grond.我知道fall over是向前摔倒的意思那么象后摔倒呢?I fell over on the grond. accounting assumption和accounting postulate 的区别是什么啊 都是会计假设的意思 到底哪个是准确的呢