Conjugation
Tenses
Verbs
100

Term that describes the process of changing a verb form to express tense, mood, voice, or agreement with the subject. 

Conjugation

100

Verb form expresses future actions

Future tense

100

Modal verb, combined with a base verb, is used to express ability

"can"
200

A verb that has irregular conjugation in English, with forms such as 'am', 'is', 'are', and 'was'

Verb to-be

200

Tense that describes actions that are currently happening or are habitual

Present tense

200

Modal verb is used to express permission or possibility

"may"

300

Verb form used with 'he', 'she', or 'it' in the present tense and usually ends in '-s'

Third-person singular form

300

Tense is used to describe an ongoing action in the present

Present continuous

300

Modal verb is used to give advice or recommendations

"should"

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