Ex 1:
1. has - is coughing (thì HTĐ - HTTD)
2. to exercise ( try + to V: cố gắng làm gì)
3. sneezing (keep + Ving)
4. are you going to do (thì TLĐ)
5. eating (like + Ving)
Ex 2:
1. Phong eats lots of junk food, so he is putting on weight.
(Thì HTĐ; eat `->` eats, sau chủ ngữ thêm tobe)
2. I do exercises daily because I want to stay healthy.
3. Sitting too close to the TV hurts your eyes.