He missed the train because (he) did not hurry.
I was so tired that (I) went to sleep immediately.
这两句话把括号省略了对不对。谢谢。
但是在主语相同,谓语动词是be时,可以同时省去主谓语。
如:(You)Be careful while (you are) crossing the street.
When (water is) heated, water can be turned into steam.