Which principal part of the verb (to teach) appears in sentence 7?

Senence: Then she taught me how to cultivate rich and healthy soul and helped me identify which types of plants are best for the environment in my yard.
A. Past
B. Past participle
C. present
D. Present partiple
Is the answer B?

No. A past participle needs a helping verb.

OK so A?

Right. The verb, taught, is in the past tense.

Thank you.

You're welcome.

To identify which principal part of the verb "to teach" appears in sentence 7, we need to understand the different principal parts of the verb. The principal parts of a verb are the base form, the past tense, the past participle, and the present participle.

The base form of the verb "to teach" is "teach."
The past tense of the verb "to teach" is "taught."
The past participle of the verb "to teach" is also "taught."
The present participle of the verb "to teach" is "teaching."

In sentence 7, the verb "taught" is used, which is the past tense form of the verb "to teach." Therefore, the answer to the question is A. Past.