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Fishing is my favourite sport. I often fish for hours without catching anything. But this does not worry me. Some fishermen are unlucky. Instead of catching fish, they catch old boots and rubbish. I am even less lucky. I never catch anything -- not even old boots. After having spent whole mornings on the river, I always go home with an empty bag. 'You must give up fishing!' my friends say. 'It's a waste of time.' But they don't realize one important thing. I'm not really interested in fishing. I am only interested in sitting in a boat and doing nothing at all!
after <prep.>+名词/动词的ing形式 ……之后(从句主语必须是主句的主语时两种形式可互换)
After I go to school, I learned a lot of knowledge. (用一般式表示一个事实, 不用 “went to” )
After going to school, I learned a lot of knowledge.
介词after的宾语的动名词having spent所表示的动作发生在谓语动词go之前，所以用完成形式。
with an empty bag注意连读
with sth. 有……的，持有……的，随身带着……(状语)Who’s the man with the beard?
without sth. 没带……
I always go home without anything. 什么都没带回家
