`1` Nam said that he didn't like playing tennis that day

`2` Lan asked me how often I went to school

`3` Her bike is this one

`-` CT :

S + said + (that) + S + V-lùi thì

S + asked + sb + if/whether + S + V-lùi thì

S + am/is/are +...

$baoyen.$

`1` Nam said that he didn't like playing tennis that day .

`-` Gián tiếp tường thuật .

`@` S + said/told + O + that + S + V(lùi thì) + O .

`-` I `->` he .

`-` don't `->` didn't .

`-` today `-.` that day .

`2` Lan asked me how often I went to school .

`-` Gián tiếp ''Wh-question'' .

`@` S + asked + O + Wh-question + S + V(lùi thì) + O .

`-` you `->` I .

`-` go `->` went .

`3` Her bike is this .

`-` This/that + be + one's + N : Đây là thứ gì của ai .

`->` One's + N + be + this/that : Thứ gì của ai thì ở đâu ..