4. Complete the sentences with the past simple or past continuous. a) My mother (sleep) was sleeping when I (come) came home.
b) Alina (come)
when we (have)
dinner.
c) Nurbek (drive)
fast when the police (stop)
him.
d) It (snow)
when we (arrive)
at the airport.
e) It all (happen)
when he (have)
a shower.
f) I (walk)
along the street when I (see)
a man on
a bench.
g) When I (see)
her for the first time, she (read)
a book in the park.
when a big dog (run)
after me.
i) When I (arrive)
at the party, Nurbek and Deniza
(dance)
my last exercise when the lesson (finish)
- to fall asleep when somebody (knock)
at the door.
1) When the electricity (go)
off, I (work)
computer.
h) I (jog)
j) I (do)
k) I (try)
on the​

a) My mother was sleeping when I came home.
Explanation: The action of sleeping (past continuous) was happening at the same time as the action of coming home (past simple).

b) Alina came when we were having dinner.
Explanation: The action of coming (past simple) happened during the action of having dinner (past continuous).

c) Nurbek was driving fast when the police stopped him.
Explanation: The action of driving fast (past continuous) was happening at the same time as the action of the police stopping him (past simple).

d) It was snowing when we arrived at the airport.
Explanation: The action of snowing (past continuous) was happening at the same time as the action of arriving (past simple).

e) It all happened when he was having a shower.
Explanation: The action of everything happening (past simple) happened during the action of having a shower (past continuous).

f) I was walking along the street when I saw a man on a bench.
Explanation: The action of walking (past continuous) was happening at the same time as the action of seeing a man on a bench (past simple).

g) When I saw her for the first time, she was reading a book in the park.
Explanation: The action of seeing her (past simple) happened during the action of reading a book in the park (past continuous). Also, at the same time, a big dog was running after me.

h) When the electricity went off, I was working on the computer.
Explanation: The action of the electricity going off (past simple) happened during the action of working on the computer (past continuous).

i) When I arrived at the party, Nurbek and Deniza were dancing.
Explanation: The action of arriving (past simple) happened at the same time as the action of Nurbek and Deniza dancing (past continuous).

j) I was jogging.
Explanation: This sentence is incomplete and needs more information.

k) I was trying on...
Explanation: This sentence is incomplete and needs more information.