Cấu trúc câu điều kiện loại I:

   If+ S+ V/ V-s/ V-es, S+ will+ V-inf.

$\text{41. If we plant more trees, the air will be fresher.}$

$\text{42. If we use fewer cars, we will reduce pollution.}$

$\text{43. If we cycle to school every day, we will keep fitter.}$

$\text{44. If we use recycled products, we will save money.}$

$\text{45. If people throw rubbish into the right bin, they will keep the environment.}$

$\text{46. If we turn off the tap when brushing the teeth, we will save a lot of water}$

$\text{47. If people don't travel more by public transport,}$

$\text{the harmful gases in big cities will be reduced.}$

$#Sailing$

             $\text{Chúc bạn học tốt!}$