Question

Either you or your brother ____ done this. (have/ has)

Answer 1

Answer:

Explanation:

have

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Answer 2

Answer:

Either you or your brother __have__ done this.

Explanation:

he present perfect tense is employed in a sentence to represent an action that just happened in the recent past and still has its effect in the present or an action that represents an indefinite time in the past. To have a clearer idea of the tense, let us look at how different dictionaries define the tense.

Definition of the Present Perfect Tense

The Oxford Learner’s Dictionary defines the present perfect tense as “the form of a verb that expresses an action done in a time period up to the present, formed in English with the present tense of ‘have’ and the ‘past participle’ of the verb, as in I have eaten.” According to the Cambridge Dictionary, the present perfect tense is defined as “the form of the verb used for actions or events that have been completed or have happened in a period of time up to now.”

A much more elaborate definition is given by the Collins Dictionary and according to it, “the present perfect tenses of a verb are the ones used to talk about things which happened before the time you are speaking or writing but are relevant to the present situation, or things that began in the past and are still happening.” The Merriam-Webster Dictionary defines the present perfect tense as one “relating to, or constituting a verb tense that is traditionally formed in English with have and a past participle and that expresses an action or state begun in the past and completed at the time of speaking (as in “I have finished”) or continuing in the present (as in “We have lived here for several years”).

Structure and Formula of the Present Perfect Tense

The general formula of the present perfect tense is as described below:

Subject + have/has + past participle + the rest of the sentence

The structure of the present perfect tense can be analysed with reference to positive, negative, interrogative and negative interrogative types of sentences. Have a look at the table given below for a closer look at the same.

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