Teacher is a noun, not a verb. Teach is a verb, and the past tense is taught.
The tense in the sentence "the teacher put the book on the table" is past tense. The verb "put" indicates that the action happened in the past.
The past tense for flock is FLOCKED. All the students flocked to the new teacher.
The students obeyed the teacher's instructions during the experiment.
Readied. Example: The teacher had readied all the students for their tests.
Herded: "After recess the teacher herded the children back into the classroom."
Ummm... t e a c h e r guess. Or with a pen/pencil.
"Gives" is 3rd person present tense of the verb, "to give." Its past tense is "gave," and there is no such word as "gaves."
the past tense of am is was and the past tense of has is had
The teacher handled the troublesome children well.
The past tense of "has" is "had" and the past tense of "have" is "had."
mentored the past tense for "mentor" as a verb would be "mentored" "Mentor" may also be used as a noun eg: "my grade 9 teacher was my mentor"
the teacher told us to begin our test then.