To as a preposition and an infinitive marker

To has two different uses. It can be an infinitive marker. Examples are: to swim, to work, to break, to go etc.

To can also be a preposition. When to is a preposition, it can be followed by an –ing form, but not normally by an infinitive. This usually happens after expressions like look forward to, in addition to, object to, be used to and get round to.

In the following examples, the preposition to is followed by either a noun or an -ing form.


There are some exceptions to this rule. A few verbs that require to before nouns (e.g. agree, consent, entitled, inclined, prone ) are followed by infinitives, not -ing forms.

Sections in this article

Introduction To Adverbs
Formation of Adverbs
Adjectives or Adverbs - Confusing Cases
Adverbs of Certainty
Adverbs of Degree
Adverbs of Indefinite Frequency
Adverbs of Manner
Adverbs of Place
Adverbs of Time and Definite Frequency
Focusing Adverbs

See also

Adverb clauses
Adjective clauses
Noun clauses
Transformation of sentences

See also

Common mistakes in the use of nouns
Common mistakes in the use of nouns | Exercise 1
Common mistakes in the use of nouns | Exercise 2
Common mistakes in the use of nouns | Exercise 3

More CBSE English Grammar worksheets

Passive voice worksheet | Simple past tense
Passive voice worksheet | Past continuous tense
Passive voice worksheet | Simple future tense
Passive voice worksheet | Future perfect tense


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