(s/v & ww) It help people can breathe easier when there is less pollution in the air.
It helps people (to) breathe easier when there is less pollution in the air.
(pl x 3) Level of pollution have increased in this city due to more vehicle on the road.
Levels of pollution have increased in this city due to more vehicles on the roads.
(vt x 2 & wf) Immediately, the policy dramatic reduce the amount of cars in the city center when it is introduced in 2019.
Immediately, the policy dramatically reduced the amount of cars in the city center when it was introduced in 2019.
(/ & vt x 2) The policy it is introduced to made the city safer, and was very successful.
The policy was introduced to make the city safer, and was very successful.
(ww & wf) Opponents of the policy claimed that it will lead to the local economy declining and businesses having to closing.
Opponents of the policy claimed that it would lead to the local economy declining and businesses having to close.
(vt) It doesn't have a negative impact on the local economy as many opponents said it would. Instead, businesses benefited from the changes.
It didn't have a negative impact on the local economy as many opponents said it would. Instead, businesses benefited from the changes.
(vt & pl) The Thu Thiem bridge take 7 year to construct.
The Thu Thiem bridge took 7 years to construct.
(/) In Hanoi has many walkable places and parks for people to relax.
Hanoi has many walkable places and parks for people to relax.
(wo & comma splice) The ban smoking made public spaces fresher, it made people actually want to visit public spaces again.
The ban smoking made public spaces fresher, and it made people actually want to visit parks and other public spaces again.
(art) Smoking ban was a significant milestone in making people healthier and public spaces more appealing.
The smoking ban was a significant milestone in making people healthier and public spaces more appealing.
(art & wf) Critics of smoking ban felt that it was an attacking on their freedom to do what they wanted.
Critics of the smoking ban felt that it was an attack on their freedom to do what they wanted.
