Question

4. The teacher was explaing tenses to us. (present perfect tense)​

Answer 1

Answer:

The teacher have been explaining tenses to us.

Explanation:

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Answer 2

Answer:

The teacher has explained tenses to us.

Explanation:

The above question is from the part of grammar "Forms of Tenses". To solve these type of questions, one must be through with the table of tenses. As there are tables in mathematics, there is also a table of tenses in English grammar. So, before understanding what is actually present perfect tense have a look at the table of tenses in the attachment.

The present perfect tense is used to indicate an action that has began in the past and is still continued in the present time.

• Present and perfect aspect join/combine to form present perfect tense.

Rule for present perfect tense:

• Subject + has/have + third form of verb.
• Has - When the subject is singular we use have.
• Have - When the subject is plural we use have.
• Third form of explain is explained.

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