please
表示"请",多用于祈使句中,表示客气与礼貌,后接动词原形.
Pleasecome in.
Come in,please.
Please go to school tomorrow.
Go to school tomorrow, please.
祈使句是表示命令,请求的句子.省略了主语you, 以动词原形开头.其否定形式是在动词原形前面加Don"t.以please开头的祈使句,其否定形式为 Please don"t + 动词原形.
Please stand up.
Please don"t stand up.
Sit down.
Don"t sit down.
You can watch TV at home.(改为祈使句)
______ _______ at home.
sleep
作动词,意为"睡,睡觉".也可作名词,意为"睡觉,睡眠".构成以下词组:
go to sleep
get to sleep
Please be quiet! Your father is sleeping.
Let"s have a sleep now.
asleep是形容词,意为"熟睡的".多用在系动词后作表语.
sleepy 是形容词,意为"有睡意的,困倦的".
My father is asleep now.
I"m sleepy when I listen to him.
go to bed和sleep
(1)go to bed 指"上床睡觉",强调从脱衣服到上床这一动作,表示准备睡觉,不含睡着之意.
(2)sleep指睡着的整个过程,用于现在进行时态中表示"正在睡觉".
I sleep for nine hours every day.
Don"t make noise. Your father is sleeping.
Look! The baby is ____ in bed.
A sleep B asleep C go to bed D go to sleep
during/for
(1)during意为"在…期间,在…时候".多指一段时间中的某一时候或某几个时候.强调某事什么时候发生,不一定很精确.其同义词为in
(2)for强调多长时间,可能较准确.用来指事件持续时间.
It rained during the day.
He worked during the night.
My father slept for 10 hours yesterday.
-How long did you stay there?
-For two hours.
He studied very hard. He did his homework ___ the day.
A for B during C of D at
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