Past simple or past perfect tenses ( giúp mik 20 câu này...Hưa voie 5*) 1) I (to be) very tired because I (to study) too much. 2) Jill (to phone) Dad at work before she (to leave) for her trip. 3) They (to ride) their bikes before they (to meet) their friends. 4) When she (to arrive) the match already (to start). 5) After Eric (to make) breakfast he (to phone) his friend. 6) After the man (to come) home he (to feed) the cat. 7) Before he (to sing) a song he (to play) the guitar. 8) Susan (to turn on) the radio after she (to wash) the dishes. 9) She (to watch) a video after the children (to go) to bed. 10) After Fred (to spend) his holiday in Italy he (to want) to learn Italian. 1. She (feel) sick after she ( eat) a whole box of chocolates 2. After the doctor ( examine) the child he (have) a talk with the mother 3. When I ( call) on my friend, he (go) out 4. Mary (finish) her homework when her father (come) home from his ofice 5. I (throw) away the newspaper after I (read) it 6. After she (spend) all her money she (ask) her father to help her 7. The teacher (give) back the exercise books after he (corect) them 8. The sun ( rise) when the farmer (start) work