Question

all tense formulas affermative,negative,interogative,negative interogate​

Answer 1

Answer:

present simple indefinte - sub +main verb + s, es + object.

present continuous - Sub + is/am/are + main verb1 + ing + object

Present perfect tense - Sub + has/have + main verb 3 + obj.

present perfect continuous - Sub + has / have + been +main verb 1 + ing + since / for +time.

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Explanation:

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