1、Unit 3We should take care of ourselves我们应该照顾我们自己We should learn to take care of ourselvestake 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 mo
2、re trees？Do you like him?No,I dont like him.Why?Hes too fat.脏孩子Do you like him?No,I dontlike him.Why?He is so dirty.Do you likehim?Yes,I do.Why?Hes 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 clea
3、n 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 shouldtake care ofbe strong and healthy.What should we do to take care of ourselves?We shouldwash our handsbefore eating.What should we do to be clean?
