S + say(s)/ said (that) + Mệnh đề 

S + asked/ wondered/ wanted to know + if/ whether + S +V…

S + asked/ wondered/ wanted to know + What/When/How/... + S +V…

Thời gian/nơi chốn

here⇒ there

now⇒ then/ at that moment

today/ tonight⇒ that day/ that night

tomorrow⇒ the next day

next week⇒ the following week

yesterday⇒ the previous day/the day before

last week⇒ the week before

ago⇒ before

Thì:

Present simple⇒ Past simple

Present continuous⇒ Past continuous

Present perfect⇒ Past perfect

Past simple⇒ Past perfect

Present perfect continuous⇒ Past perfect continuous

Past continuous⇒ Past perfect continuous

will⇒ would

can⇒ could

must/ have to⇒ had to

may⇒ might