adverb
1
BAD : As for his new novel, I think it's worth reading indeed.
GOOD : As for his new novel, I think it's certainly worth reading.
BAD : He claims that many young people do not want jobs but this is indeed not the case.
GOOD : He claims that many young people do not want jobs but this is certainly not the case.
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Indeed is used (1) to introduce a statement that strengthens a previous point: 'We don't need any more high street banks. Indeed, there are too many already.' (2) to show that you agree with a previous statement or opinion: 'Cancer research has indeed come a long way in recent years.'
To strengthen a point or opinion that has not been mentioned before, use certainly or definitely : 'He doesn't treat his staff very well but he certainly knows how to make money.' 'The first essay is excellent but the second one definitely doesn't deserve more than a 'C' grade.'
2
BAD : I'm afraid that I won't be able to come to your wedding. Indeed, I'm giving a lecture on that day.
GOOD : I'm afraid that I won't be able to come to your wedding. As it happens, I'm giving a lecture on that day.
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To show that something that you are about to mention is connected by chance with something you have mentioned before, use as it happens or it so happens that : 'We've just seen a really beautiful house and it so happens that it's for sale.'
3
BAD : Secondary students are under great pressure indeed.
GOOD : Secondary students are under very great pressure indeed.
BAD : We all had a good time indeed.
GOOD : We all had a very good time indeed.
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very + adjective + noun + indeed : 'I thought it was a very clever answer indeed.'
very + adjective/adverb + indeed : 'The quality of the recording is very good indeed.' 'Some of the students did very well.'
4
BAD : America is a paradise for young people indeed.
GOOD : America is indeed a paradise for young people.
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See Language Note above