Unit 3We should take care of ourselves我们 应该 照顾我们自己take care of照顾 can 能够,可以 need 需要 should 应该 must 必须 have to 必须,不得不英语中的情态动词 should 应该用于第一人称 (I 、 we) 做主语的句子中
后面的谓语动词用动词原形
I should do more exercise
Should I do more exercisee
We should plant more trees
Should we plant more trees
Do you like him
No,I don’t like him
He’s too fat
•脏孩子Do you like him
No,I don’t like him
He is so dirty
Do you like him
Yes, I do
He’s clean and healthy
We should take care of ourselves
Be a clean and healthy baby
健康的healthykeep保持we should
keep the river cleanwe should
keep the air clean and freshwe should
plant more treeswe should
plant more treeswe should
use bikes instead of carswe should
use bikes instead of cars The world is beautiful
We should ourselves
We should take care of be str