Write the past forms of the verbs. swim- skip- jump- skate- see- go- have- ski- travel- is- are- rain-

swim - swam - swum (плавать, купаться);skip - skipped - skipped (пропускать, скакать);jump - jumped - jumped (прыгать);skate - skated - skated (кататься на коньках);see - saw - seen (видеть, смотреть);go - went - gone (идти);have - had - had (иметь);ski - skied - skied (кататься на лыжах);travel - travelled - travelled (путешествовать);is - was (быть);are - were (быть);rain - rained - rained (лить, идти (о дожде).