26. Hoa (wash) her clothes when they (arrive)
27. What you (do) when they (come)?
28. What she (do) when you (meet) her?29. What they (do) when it (rain)?
30. When he (arrive ) what she (do)?
31. When you (come) what your friends (do)?
32. When Nam (go), we (sleep) well and what you (do)?
33. When I (see) you , who you (talk) to?
34. When you (build) this house ? - In 1990
35. At the moment she (do) her homework
36. He usually (do) her homework , (wash) clothes and (watch) T.V in the evening
37. While Ba (plant) trees , I (water) them
38. While I (read) book , she (sing)
39. While they (play) soccer , we (play) tennis
40. While Lan (write) an essay , my sister (write ) letter
giúp mình vs mn ơi
was washing − arrived
were you doing − came
were you doing − met
were they doing − rained
arrived − was she doing
came − were your friends doing
went − were sleeping − were you doing
saw − were you talking
did you build
is doing
does − washes − watches
was planting − were watering
was reading − was singing
were playing − were playing
was writing − was writing
