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The only thing you can do now is to be yourself.
Is this sentence clear? Does it have any grammatical mistakes?
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Knowledge HunterThe only thing you can do now is to be yourself. Is this sentence clear? Does it have any grammatical mistakes?
It is clear and correct. Some might question the use of the infinitive (to be) but I find it better than just plain 'be'.
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As implied above, the "to" is optional, as it always is in the pseudo-cleft construction such as you have here.

CJ