anonymous I am here to teach you. Correct. After the infinitive marker 'to', you can only use the base form of verbs.
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anonymousI am here to teach you.
Correct.
After the infinitive marker 'to', you can only use the base form of verbs.
anonymousI am here to teach you.
The underlined part is an infinitive of purpose. It answers the question "For what purpose?"
— I am here.
— Why are you here? / For what purpose are you here?
— To teach you. / In order to teach you.
You can use "in order to teach you" or "to teach you" in this situation, but