STOP + infinitive = you stop in order to perform an action. STOP + gerund = you stop performing an action (the action ceases to happen) Examples: We stopped to drink tea. We stopped drinking tea. I had stopped to take some rest. I had stopped smoking before I turned 20.
The gerund corresponds precisely to the present participle or the ing-form and is, therefore, formed according to the respective rules. You can easily remember to append the suffix ‘- ing ’ to the base form (infinitive) of the verb, which is valid for most of the verbs. A more detailed explanation, including exceptions, is described in the
Example 1: To reach after sunset felt meaningless, but it was still worth the long trek. In the above sentence, ‘to reach’ is the infinitive that takes the place of the subject in the sentence. Example 2: All we wanted was to rest. In this sentence, ‘to rest’ is the infinitive that works as the object of the verb ‘was’.
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