` Answer : `

` *** #Hoidap247# *** `

$\color{#1C1C1C}{N}$$\color{#363636}{h}$$\color{#4F4F4F}{a}$$\color{#696969}{t}$$\color{#828282}{H}$$\color{#9C9C9C}{h}$$\color{#B5B5B5}{u}$$\color{#CFCFCF}{y}$$\color{#E8E8E8}{y}$$\color{#FFFFFF}{<33}$

` 36. to ` Tom has been operated on by Mary since `10` o'clock.
` 37. to ` We have been taught French by Mr. Smith for `2` years.
` 38. to ` The children weren’t looked after properly.
` 39. to ` The house hasn’t been cleaned for `10` days.
` 40. to ` How many lessons are going to be learned by you next month `?`
` 41. to ` Some new airports will be constructed on islands.
` 42. to ` This promise might be fulfilled by the new president.
` 43. to ` The mystery is going to be found out.
` 44. to ` Videos like this one can be bought anywhere.
` 45. to ` You will be told when to go in to see the doctor.
` 46. to ` Their work had been finished by the time you arrived.
` 47. to ` The history of the European Community has to be written one day.
` 48. to ` When are the results of the contest going to be announced `?`
` 49. to ` What will you be sent by your company next year `?`
` 50. to ` Those shirts have to be sold for charity.

` ----------------------- `
` - ` CT Câu Bị Động Thì QKĐ ` : ` S `+` was `/` were `+` V3 `(+` by Sb `/` O `)`
` - ` CT Câu Bị Động Thì HTHT ` : ` S `+` have `/` has `+` been `+` V3 `(+` by Sb `/` O `) `
` - ` CT Câu Bị Động Thì QKHT ` : ` S `+` had `+` been `+` V3 `(+` by Sb `/` O `)`

` - ` CT Câu Bị Động Thì TLĐ : S `+` will be `+` V3`/-`ed `+` (by O)

` - ` CT Câu Bị Động Thì TLG : S `+` is `/` am `/` are `+` going to `+` be `+` V`-`ed `/` V3 (PII) `+` (by O)
` - ` CT Câu Bị Động với Động từ Khuyết Thiếu ` : ` S `+` Modal Verb (can `/` could `/` should `/` must `/…) +` be `+` V3`/-`ed `+` (by O)

` #Pyyx# `