常用的短暂性动词与延续性动词的转换 buy---have get up---be up borrow---keep leave---be away from put on---be on go to town---be in town lose---be missing catch a cold---have a cold close---be not open open(v.)---be open(adj.) fall ill---be ill close---be not open come back---be back join---be in /be a member come to/arrive at(in)/reach/get to---be here/there begin/start to learn/study/work/teach --- learn/study/work/teach