adverb
1
BAD : We were attracted by the clean air, the beautiful scenery, and mainly the peace and quiet.
GOOD : We were attracted by the clean air, the beautiful scenery, and above all the peace and quiet.
BAD : What I like about her mainly is her sense of humour.
GOOD : What I like about her above all is her sense of humour.
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To show that one particular feature or item is more important than all the others, use above all : 'The person we're looking for has got to be smart, intelligent and above all trustworthy.' 'Above all, the government wants to avoid an increase in inflation.'
2
BAD : Mainly the film is about the madness of war.
GOOD : The film is mainly about the madness of war.
BAD : Mainly these problems involve the definition of words.
GOOD : These problems mainly involve the definition of words.