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BE up to Do sth

It is up to sb. to do sth. 该句型为“该由某人做。。。”。该句型中up后的to是介词。 It is up to him to clean our classroom today. 今天应由他做教室清洁。 It is up to parents to teach their children manners. 该由父母教孩子礼貌。

(1)没有be up to do这种说法。 (2)be up to doing sth. (体力或智力上)能胜任:I'm not up to going to work today.今天我不能去上班。(可能是身体不舒服。) (3)be up to sth. (体力或智力上)能胜任:He is not up to the job.他无...

be up to something [英][bi: ʌp tu: ˈsʌmθiŋ][美][bi ʌp tu ˈsʌmθɪŋ] 策划(忙于)某事 双语例句 1 Dont ever get too comfortable with the status quo, always be willing to blow it up and s...

sth. be up to sb. 某事是某人的责任 e.g. He should not drive the boy out, it's not up to him. 他不应该把男孩赶出去 ,那不是他的职责。

某人 胜任/从事/忙于 某事的意思

help sb to do sth 里的to是可以省略的,基本等于help sb do sth。 如果非要深究, help sb to do sth是帮助者做,help sb do sth是帮助者与被帮助者共同做 但是一般不会这么死抠的。 没有help sb doing sth 这种说法 help sb in doing sth 主要...

be +动词不定式(即be + to do sth.)的用法如下: 1.表示按计划或安排要做的事。例如: When are you to leave for home?你什么时候回家? She is to be married next month.她将于下个月结婚。 The Queen is to visit Japan in a week’s time....

Sb be reported to do据说,某人即将……,不定式往往表示将来的动作。 Sb be reported to be doing据说某人正在做某事,这是和谓语动词同时发生的动作。

1. 可以。 2. 固定句型It's up to sb to do sth一般有两种意思: 1)由某人决定去做某事 如:It's up to you to decide how to get there. 由你来决定怎样到达那儿。 2)做某事是某人的义务/职责/责任 如:It's up to her to lock the door. 锁...

一般情况下不定式表示未做的事情,而动名词表示已经做过的事情。 如:stop to do/ stop doing 意思有变化。 但consider做考虑的意思讲时,后面只能跟doing sth, 意思是考虑做某事。 consider to do sth的用法在英语中基本是不正确的。 只有在被...

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