Lessons 2 and 53 of New Concepts.

Hey, big brother won't look for it himself.

1.wound is a transitive verb, followed by an object active and no object passive.

In the first sentence, wound is active, and itself should be added as an object.

In the second sentence, was wound is passive, and there can be no object after it.

2.The power line can't be removed, although it is repeated, but the "-" in 16000-volt specifically indicates the adjective part, after the adjective.

Have a noun. If you have to get rid of the power line, change the front to Electric Wires of 16000 Volts

I hope mine is useful to you, hope! o(∩_o

1.off here is a preposition that means "from." off the roof means "to break away from the surface of the roof", and sweep the bed off the roof means to "blow the bed off the roof (on the roof).

2.If it is changed to off from the roof, off is an adverb meaning "in a state of non-contact", the preposition from means "to leave somewhere", the phrase means "to be in a state of non-contact from the roof", and sweep the bed off from the roof becomes "to blow the bed off from the roof without contact", to put it more bluntly, a gust of wind blows the bed away from the roof, causing the bed to float away from the roof.

The use of off here is equivalent to away from, that is, if you want to use from, you have to add an away in front of it.

The original sentence can be rewritten as "a gust of wind swept the bed away from the roof ...

off has the same part of speech as from, and the roof is followed by the roof to mean "to leave, to get out of" the roof, and from is "from... meaning. In this article, I want to explain that the bed scrapes off the roof and has the meaning of detachment, and it is impossible to express this meaning by simply using "from".