วันพุธที่ 9 กันยายน พ.ศ. 2558

Infinitives with to and Infinitives without to
The infinitive of a verb has two forms: the to-infinitive and the infinitive without to. The to-form consists of to plus the base form of the verb:
I want to speak to you.
We came here to work, not to play.
The form without to consists of the base form of the verb:
She made us wait for half an hour.
John lets the dog sleep on the sofa.  see more

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