Rewrite each sentence using the passive form of the verb.

1. They make glass from sand.
2. They made glass from sand.
3. They will make glass from sand.
4. They have made glass from sand.
5. They are making glass from sand.
6. They were making glass from sand.
7. They will have made glass from sand.
8. They had already made glass from sand.

The sentences have been transformed into passive voice. In passive voice, the object of the original sentence becomes the subject, with the action being done 'to' it, rather than being done 'by' it. These sentences use a form of 'be' and the past participle of the verb.

Explanation:

Passive form, or passive voice, refers to the structure of a sentence where the subject is the recipient of the action, rather than performing it. In these sentences, the verb frequently includes a form of 'be' and the past participle. Now, transforming the given sentences into passive voice:

The silky pudding was devoured by me.
Directions will be given to you by the teacher.
My skin was scraped by the barnacles.
The baby sloth was carried by its mother on her back.
The agreement is being signed by the two presidents.
The neighborhood was destroyed by a tornado.

This way, you can see how the objects in the original sentences have become subjects in these passive voice sentences, with the action being done 'to' them as opposed to being done 'by' them (active voice).

Learn more about Passive Voice here:

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