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 ...

The program offers a chart that can be consulted, ... Verbs can be said to be the core of what language is, Human Expression 1.0. Although this might seem a revelation to English speakers, ...

Gerunds are the -ing form of a verb, and infinitives are the to + base form. These words can be confusing; they combine the meaning of a verb with the grammar of a noun. My father asked me to ...