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He is too experienced a conductor to mind what the critics say.
Too + adverb + infinitive
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It’s too soon to say whether the scheme will succeed or not.
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She speaks too quickly to understand.
Adjective + enough + infinitive
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She is old enough to travel by herself.
Enough can be used as a pronoun or adjective and followed by an infinitive.
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He doesn’t earn enough to live on.
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He hasn’t got enough time to finish it.
Adverb + enough + infinitive
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He didn’t get jump enough to win prize.
So + adjective + as + infinitive
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He was so foolish as to leave a car unlocked.
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He was foolish enough to leave a car unlocked.
Certain infinitive phrases can be placed at the beginning or sometimes at the end of a sentence like
sentence
adverbs.
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To be honest, I just don’t like him.
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To cut a long story short, we said “No”.
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I’ve never met him, to tell you the truth.
The perfect infinitive can be used with
was / were to express an unfulfilled plan or arrangement.
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This house was to have been ready today.
The perfect infinitive can be used with
appear, happen, pretend, seem. The action of the perfect infinitive is an
earlier action. It happens before the time of the main verb.
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He seems to be an athlete.
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It seems that he is an athlete.
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He seems to have been an athlete
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It seems that he was an athlete.
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