Unit 3 Week 5 Introducing Irregular Verbs IRREGULAR VERBS irregular verbs – the past tense and past participle of a regular verb is formed by adding – ed: walk, walked, have walked. DAY 1 When forming the past tense and past participle for some irregular verbs, a vowel is changed: begin, began, have begun, ring, rang, have rung. The past tense and past participle of other irregular verbs are formed by changes in spelling: go, went, have gone; speak, spoke, have spoken IRREGULAR VERB REVIEW Irregular verb: do past tense – past participle – done Irregular verb: drive Past tense – Past participle – driven DAY 2 Irregular verb: hide past tense – hid past participle – Mechanics and Usage: Contractions with Helping and Irregular Verbs A contraction is one word made from two. To form a contraction, replace one or more letters in a word with an apostrophe. A contraction can be formed with a pronoun and a helping verb. DAY 3 We have bought a new car. We’ve bought a new car. A contraction can be formed with a pronoun and the present tense form of an irregular verb. I am the contest winner. I’m the contest winner. Proofread 1. Kasey buyed a new pair of shoes for school this year. 1. Sam’s shirt shrinked in the wash. DAY 4 1. Wendy has leaved her sweater at the restaurant. 1. Mr. Morris teached us about the American Revolution last week.