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- n. The English infinitive verb form when introduced by the particle to.
Sorry, no etymologies found.
A to-infinitive has a to, like, I think, German so zu sagen, to coin a phrase.
There are some other verbs which can also be followed by the to-infinitive or gerund with a slight difference in meaning.
However, when the verb is in the continuous form the to-infinitive is preferred: I'm beginning to concentrate now.
After certain verbs which can be followed by to-infinitive or by a noun or pronoun in the accusative plus a to infinitive, that is, the structure can be verb + to-infinitive: I want to go to the pictures, or verb + object + to infinitive: I want him to come with me to the pictures, where HIM act as the subject of the infinitive.
There are some other verbs which can also be followed by the to-infinitive or gerund, but their meaning change according to whether they are used in one way or another.
There are also a number of independent constructions which also use the to-infinitive: To sum up, To start with, etc. Bare/Plain Infinitive or Infinitive Without to (1)