The correct answer is option 2 i.e. B The given sentence is erroneous because of the wrong usage of the form of the verb When two different auxiliaries (modals and primary) are used with the single main verb, it is important to clear the forms of the main verb according to each auxiliary, in the given sentence has and will are used with the single main verb do (v1), which is wrong Therefore place done (v3) after the auxiliary has The correct sentence- “Anjali has been awarded the best teacher of the town by our state government, during her felicitation speech she said that she has done and will always do her best to enhance the skill of her student as a mentor.”