You are welcome to answer questions posted in the Ask a Teacher forum as long as your suggestions, help, and advice reflect a good understanding of the English language. If you are not a teacher, you will need to state that clearly at the top of your post. Please note, all posts are moderated by our in-house language experts, so make sure your suggestions, help, and advice house the kind of information an international language teacher would offer. If not, and your posts do not contribute to the topic in a positive way, they will be subject to deletion.
'Think of' suggests a brief overview of the topic, where 'think about' invites more considered detail:
'What do you think of Michael Jackson?' 'I think he's pretty strange.'
'What do you think about Michael Jackson' 'Well, I used to really like him when he was part of the Jackson Five, but I think he's gone through a lot of wierd changes over the years. His recent run-ins with the Morals Squad make me think that he can't be entirely innocent of some of the charges laid on him...'
grammar 
Re: grammar 
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