* Rewrite the sentences
$1.$ The knights are very brave.     
 ->What brave knights are!

S + be + adj.

$→$ What + (a/an) + adj + S !
$2.$ Although Mr. Lam was very busy, he spent the whole day at the Le Mat Village Festival. (however)
->Mr. Lam was very busy; however, he spent the whole day at the Le Mat Village Festival.

Although S + V, S + V.

$→$ S + V; however, S + V.
$3.$ It would be a good idea for you to go to a pagoda on the first days of the New Year.
-> You should go to a pagoda on the first days of New Year.

It + be + a good idea for you + to + V.

$→$ You should + V_nguyên thể.
$4.$ Mr. Phong is a more careful driver than Mr. Phuc. 
-> Mr. Phong drives more carefully than Mr. Phuc.

$S_1$ + be + a/an + short adj + er/more + long adj + N + than + $S_2$.

$→$ $S_1$ + V + more + adv/adv + er + than + $S_2$.

`\color{cyan}{\text{@Bulletproof Boy Scout}}`