你不得不更多地练习英语.
You don't have to practise English more.
所有的司机都已经去工作了.
All of the drivers have not gone to work.
他们在两年前制作了一栋小的模型房子.
They didn't make a small model house 2 years ago.
They went to Japan by air last year.
他们两年前乘飞机去了日本
原因：
肯定句的否定语句要看是不是实意动词,若是,则用助动词do,does,did加否定词not.若不是,则用意动词have,might```加not
至于翻译的则要你自己去看单词的意思了.