Question

(i) They are cutting the tree.

(Present Perfect​

Answer 1

Answer:

they cut the tree.

Explanation:

they cut the tree.

they cut the tree.

they cut the tree.

Answer 2

Answer:

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ⓐThey are cutting the tree.

(Convert the above sentence into present perfect)

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They have cut the tree.

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More information :-

Uses of 'have' and 'has' :

• In Present Perfect sentence, 'have' is used with I(1st person, singular number), you(2nd person, singular number & plural number), we( 1st person , plural number) and they( 3rd person , plural number)

• In Present Perfect sentence, 'has' is only used with he/she (3rd person , singular number).

Uses of Present Perfect tense :

• To indicate completed activities in the immediate past (with just).

Eg. He has just gone out.

• To express past actions whose time is not given and not definite.

Eg. I have never known him to be angry.

• To describe past events when we think more of their effect in the present than of the action itself.

Eg. I have finished my work (= now I am free).

• To denote an action beginning at some time in the past and continuing up to the present moment ( often with since- and for- phrases).

Eg. I have known her for a long time.

Note :-

The Present Perfect is never used with adverbs of past time. We should not say, for example, " He has gone to school yesterday'. In such cases the Simple Past or Past indefinite should be used (' He went to school yesterday').