1. I (have)......had........... a busy day yesterday. I (go).......went ....... to class in the morning. I (eat).........eat.............lunch with my brother after class. In the afternoon, I(write)..........wrote........... nock at door last night, I (walk)..........walked ............ to the door and (open)..........opened.............. i, when i (open)...............opened ................. the door, i (see). ............saw................ my brother. I (say).............said.............. . hello to him and (ask)..................asked................... him to come in. 
2. My cousin and i (watch)..........are watching ............... a film on TV last night when my mother (come)...............came................. He (watch) .................watched............the end of the film with us.
3. They (wait).................are waiting .................. for him when i (arrive)...................arrived ................. at the station 
4. They (play) .................are playing ................... tennis when it (start).started.. raining? 
5. They (dry)................dried...................... when they (hear).................are hearing.............. the news.
6. They (arrive)...............are arrived............. home from the theater when the polite (stop).........stopped................ them.
7. Everyone (become)..................is becoming ...................quiet when the concert (begin).............began............

1. I(have)..had.. a busy day yesterday. I(go).went .. to class in the morning. I(eat).eat.. lunch with my brother after class. In the afternoon, I(write).wrote .. nock at door last night, I (walk).walked .. to the door and (open).opened.. i, when i (open)..opened . the door, i (see). saw.. my brother. I (say)..said . hello to him and (ask).asked.. him to come in. 
2. My cousin and i (watch).are watching .. a film on TV last night when my mother (come).came.. He (watch) watched the end of the film with us.
3. They (wait).are waiting .. for him when i (arrive)..arrived . at the station