You shouldn't ride your bike today.今天你不應該騎車。
You lost your helmet yesterday.昨天你丟了頭盔。
You could hurt yourself in a fall,要是跌倒了你會受傷,
and then never ride at all.然后再也沒法騎車了。
Meg shouldn't always stay up late.Meg 不應該每天都熬夜。
She knows her school bus comes at eight.她知道校車每天早上8點來。
She'll enjoy herself late tonight,她今晚熬夜會很開心,
but tomorrow she won't feel right.但明天白天就會覺得不舒服了。
They shouldn't stay in the sun all day.他們不應該整天呆在太陽下玩耍。
Sunglasses and hats make it safe to play.戴上太陽眼鏡和遮陽帽會安全些。
If they burn themselves in the sun,如果他們把自己曬傷了,
later they won't have fun.他們就不會快樂了。
Al shouldn't run so fast, you know.Al 不應該跑這么快,你知道的。
The sidewalk's full of ice and snow.人行道結滿了冰雪。
He could fall and slip and slide,他會跌倒、摔跤、滑倒,
and end up right on his backside !然后四腳朝天!
Ouch !痛!