An "infinitive" in English is a verb preceded by the word to, as in to study. Many English verbs can be followed by a grammatical structure that contains an infinitive and is known as an "infinitive ...

The teacher (S) found (V) a book (O) which (O) the student (S) lost (V). Infinitive clauses in English are structures that contain the word to followed by a verb, for example, to study, to develop, to ...

When you look up a verb in the dictionary you find the infinitive form.‎ In English it’s made up of two words: to swim. ‎ But in French it’s just one, nager. ‎ And if you want to say ...

She walked three to four blocks out of her way. The word "to" is also the first part of the infinitive form of a verb, like the phrase "to use" in the heading above. Infinitives are verb stems.

Subject-verb agreement means that your verb must be conjugated, or changed, to fit (or agree) with the subject. Subjects can be singular or plural. Think of singular and plural as mathematical ...

When the verb is in a non-finite form, such as an infinitive (to do) or a participle (doing), its subject is implied to be the subject of the clause, or sometimes the closest noun phrase.