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Use the correct verb form
Verbs have four basic forms:
1. Present (also called the infinitive) 2. Past 3. Past participle (the have, has,
or had form) 4. Progressive or ongoing (-ing
We can put each verb on a chart to show its present,
past, past participle, and progressive forms.
Infinitive or Present
Present Participle or Progressive
We form present and past verbs by simply choosing
the present or past forms. We form perfect tenses
by choosing the past participle form and using
it with have,has, or had (have
run, has run, had run). Progressive
verbs are formed by choosing the present participle
form and using it with a being verb (was running,
is running, will be running). We
form perfect progressive verbs by combining have,
has, or had with a being verb and the
progressive form of the verb (had been running,
has been running, will have been running).