Direction: In the following questions, some of the sentences have errors and some are correct. Find out which part of a sentence has an error. The number of that part is your answer. If a sentence is free from errors, then your answer is (4) i.e. No error.
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Solve the question according to given instruction
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- We have discussing
- all the known mechanisms
- of physical growth,
- No error.
Correct Option: A
have been discussing/have discussed/are discussing will replace have discussing.
Use of Simple Past Tense is the most appropriate one.
We discussed is also an appropriate usage.
Hence, we have been discussing/ have discused/ are discussing is the right usage.
