When I (arrive) ……….. at his house he still (sleep) ………..

As we (cross) ……….. the street, the policeman (shout) ………..at us.

The light (go) ………..go out when we (have) ……….. dinner.

The children (do) ……….. their homework when their father (come) ………..back from the office.

Bill (have) ……….. breakfast when I (stop) ……….. at this house this morning.

While I (walk) ……….. about the park, I (see) ……….. Mr. Jone.

When I (go) ……….. out the sun (shine) ………..

 Just as I (leave) ……….. for home, a student (stop) ……….. me in the hall.

 When the students (hear) ……….. the bell, they (get) ……….. up and (leave) ………..

`1.` arrived `-` was sleeping

`2.` were crossing `-` shouted

`-` as `=` while

`3.` went `-` were having

`4.` were doing `-` came

`5.` was having `-` stopped

`6.` was walking `-` saw

`7.` went `-` was shining

`8.` left `-` stopped

`9.` heard `-` got `-` left

`___________________`

`*` When + S + V2/ed + O, S + V2/ed + O

`->` Diễn tả 2 hành động xảy ra song song hoặc liên tiếp nhau trong quá khứ

`*` When + S + was/were + V_ing + O, S + V2/ed + O
`->` Diễn tả 1 hành động đang xảy ra thì  có 1 hành động khác xen vào

`*` While + S + was/were + V-ing + O, S + V2/ed + O
`->` Diễn tả 1 hành động đang xảy ra, 1 hành động khác cũng đang diễn ra ( hành động xen vào)

`1)` arrived `-` was still sleeping

`2)` were crossing `-` shouted

`3)` went `-` were having

`4)` were doing `-` came

`5)` was having `-` stopped

`6)` was walking `-` saw

`7)` was going `-` shone

`8)` left `-` stopped

`9)` heard `-` got `-` left

`-` Notes:

`-` Khi trong câu có while, when, as + clause

`to` Hành động đang xảy ra `to` QKTD

`to` Hành động xen vào `to` QKĐ

`-` QKTD: `( + )` S + was/were + V-ing

I, he, she, it hoặc N( số ít) `to` was

You, we, they hoặc N( số nhiều) `to` were

`-` QKĐ: `( + )` S + Ved/ Cột `2` + O

`#Ph`