1, i think you are right, 'regarding' is prep., but 'concerning' is different. except prep, 'concerning' can to a gerund. 2, 'try to do sth' means 尽量去做某事 I try to answer your question.(greater possiblity, positive) 'try doing sth' means 试着做某事 I try answering your question. (not much possibility, kind of negative) 3, in my perspective, 'all kinds of ' should always be followed by plural words. can you give an example with sigular?
（附）关于regarding：regarding可以是介词，表示concerning（“关于”）， 如I wrote a letter regarding my daughter's school examinations.亦作as regards 一般来说regarding是做介词讲，若是不同意思也要看句意。
all kinds of+n.做主语谓语动词的单复数应该由of后面n.的单复数来决定的 这里涉及到可数和不可数名词的问题。 all kinds of paper （做纸张〕就不可数
to attempt to do or get something（企图，努力做） try to do something He tried to control his voice. She was trying not to cry.
to do or use something for a short while to discover if it is suitable, successful, enjoyable etc（试试） try doing something They decided they would try living in America for a while.Try logging off and logging on again.
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发表于 2004-1-2 22:31:00
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