The past participle forms for the verbs you asked about are: submitted, become, met, delivered, and heard. Regular verbs typically form their past participle by adding -ed, while irregular verbs like 'become' do not change. Understanding these forms is crucial for constructing correct sentences in English.
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To determine the correct past participle forms of verbs, it's important to understand what a past participle is. A past participle is a form of a verb that is typically used with an auxiliary verb to form perfect tenses or the passive voice. It often ends in "-ed" for regular verbs, though irregular verbs may have unique past participle forms.
Here are the past participle forms for the verbs listed:
Happen => Happened (This is a regular verb, so the past participle form is created by adding "-ed".)
Submit => Submitted (Again, a regular verb. Add "-ed" to form the past participle.)
Become => Become (This is an irregular verb. The past participle form is the same as the base form.)
Meet => Met (This is an irregular verb with a unique past participle form.)
Deliver => Delivered (A regular verb, so add "-ed" for the past participle.)
Hear => Heard (An irregular verb with a unique past participle form.)
Understanding these forms is crucial in constructing sentences. For example, in the present perfect tense, you might say, "I have submitted my homework," where "submitted" is the past participle of "submit." Being familiar with these forms helps in both writing and speaking English correctly.