nick washes his hands a lot so he doesn't have the flu

david eats lots of junk food and he doeen't do exercise

-> 2 câu này là thì HTĐ 

-> s + vs/es

the doctor told Elena that she should sleep more or she try to relax more

-> should + V nguyên mẫu

my sister plays computer games but she does exercise too

câu này là thì HTĐ 

-> s + vs/es

eating carrots will help you see object more clearly at night

-> thì TLĐ 

-> s + will + V nguyên mẫu

going outside with wet hair will give you a cold or flu

-> thì TLĐ 

-> s + will + V nguyên mẫu

eating fresh fish will make you smarter

-> thì TLĐ 

-> s + will + V nguyên mẫu