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$\color{#88DCFF}{\text{#Byen.}}$

`71` Bill asked me what country I came from

you `->` I

come `->` came

`72` He asked her where she had spent her holiday the summer before

you `->` she

did spend `->` had spent

your `->` her

last summer `->` the summer before/the previous da

`73` He asked Mary what she was going to study

you `->` she

are `->` was

`74` Peter asked me what I thought of the canteen coffee

you `->` I

think `->` thought

`75` He asked her where she had been the night before

you `->` she

were `->` had been

last night `->` the night before/the previous day

`76` Tom asked the girl when she had had that picture taken

you `->` she

did have `->` had had

this `->` that

`-` CT :

S + asked + ( sb ) + wh-questions + S + V-lùi thì