We call them regular verbs because the past tense of each is formed by adding "ed" to the end of the verb. But some verbs are known as irregular verbs. Change to past tense the following verbs: Choose, weep, like, beat, fly?
1) Chose, wept, liked, beat, flew
2) Chosen, wept, liked, beaten, flew
3) Chose, wept, liked, beaten, flew
4) Chosen, weeped, liked, beat, flew