句型
It has often been said that life is difficult as it is. as引导的方式状语从句
What has become of her. 句型:sth. will become of sb.
On the third day I was struggling through stormy weather and during the next week the wind grew
stronger and I found myself spending a whole day in my tent find + oneself + 宾补
I had fallen into a hole and was hanging on the ropes tied to the sled. 分词做定语
I had traveled only two hours one day when the winds increased so much that I had to put my tent up before the winds became too strong. When引导的时间状语从句