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