$\text{1.i would like you to help me to put the chair away}$
⇒ $\text{ Do you mind if you help me to put the chair away?}$
$\text{2.Tam doesn't type as fast as she used to}$
⇒ $\text{Tam used to type fast}$
$\text{3.would you mind if i turned off the light}$
⇒ $\text{Do you mind if I turn off the light}$
$\text{4.do you mind opening the windows}$
⇒ $\text{ Would you mind opening the windows}$
CHO XIN HAY NHẤT Ạ!