What tense is put in the sentence teacher book on table?

This sentence is missing a verb and doesn't have a clear tense. Here's why:

* Verbs are essential for tense: Tense is a grammatical feature that shows the time of an action or state of being. This sentence lacks a verb to indicate the action being performed.

* Possible interpretations: We can only guess at the intended meaning. It could be:

* Present Tense: "The teacher puts a book on the table."

* Past Tense: "The teacher put a book on the table."

* Future Tense: "The teacher will put a book on the table."

To correct the sentence, you need to add a verb and specify the tense you want to express.