consonant is doubled before adding-ed to form the simple past tense. Exceptions to this hant + vowel + consonant, the fi are words that end in 'w' or 'x', like sewed and waxed. Example: 1/You / We/They/He/She It (chop) chopped the wood. 1) I (trap) the mouse on Monday 2) You (jog) yesterday morning. 3) We (flip) the pancakes at breakfast. firewood last winter. 4) They (chop) 5) He (mix) 6) The nurse (help) 7) It (tip) the chemicals together in the lab. the patient to stand up. the bucket over. Exercise 4 Past Tense Choose the correct forms of these irregular verbs in simple past tense. Note: Irregular verbs have unexpected spelling changon i the past tense