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1-He did something to make me nervous.
Does this imply that he intended to make me nervous?

2-What did John do to make Harry nervous?
Does this imply that the speaker thinks that John intended to make Harry nervous?
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1-- Not necessarily

2-- Not necessarily
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Hello
Either of them may show suspicion about someone,or you can call this inquiry or prejudgment of someone about another someone
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Thanks a lot Mister Micawber,

How about these two:

1-He did something in order to make me nervous.

2-What did John do in order to get Harry nervous?

These necessarily imply intention, don't they?
Yes, I think adding 'in order' makes that idea clear.
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