Question

he .... read and write english. (may, could, should)​

Answer 1

he should read and write english

Answer 2

Answer:

He could read and write English.

Explanation:

USUAGE OF COULD:

• Could is the past tense of can.

• When could is used as the past tense of can, it is used to refer  to an ability that a person generally had in the past or to something that was possible in the past.

For example: When I was young, I could play football for hours.

• Could is used to refer to something that one believe is likely to be true or to happen.

For example: We could have as many as six people to the luncheon.

• Could can also be used to describe something that was possible but did not happen, then it is used with the verb have

For example: We could have won if we had practiced earlier.

USUAGE OF SHOULD:

• Should is used to say that something is the proper or best thing to do, or to say that someone must perform a task.

For Example: You should always pay your bill on time.

USUAGE OF MAY:

• May is used to ask permission in a more formal way than can.

For Example: May I go to the washroom?

• May is often used for politeness, to make an order appear as a request.

Therefore according to the sentence, could is the correct answer.

                   He could read and write English.

The sentence describes the ability of the person to read and write in English. Thus, the use of could is the most appropriate one.