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irregular verb undergird
* This form is obsolete or used only in particular cases or dialects.
The past
simple tense (sometimes called preterite, simple past or past indefinite) is the basic form of the
past tense. This is one of the most common past tenses and can describe a lot of events. It is really important to know how and when to use this tense for daily conversation.
But there are a lot of irregular past tense forms in English. Here are the most common
irregular verbs in English, with their past tense forms. We have prepared some
examples of past simple time.
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