Answer:
The correct answer is:
Has been riding
The sentence "Monica has been riding the bicycle" is grammatically correct and indicates that Monica has been continuously riding the bicycle for an extended period of time. The present perfect continuous tense (has been riding) is used to describe an action that has been ongoing up to the present moment.
Answer:
has been riding
Explanation:
"Have been riding" is incorrect because the noun (Monica) is singular. if it was plural (Monica and friends) then it would be correct.
"Has been rideing" is incorrect because ride doesn't change to rideing, it changes to riding.
"Has being riding" is incorrect because the word being. Being is a present tense word and is usually used in a sentence like "human being"
The correct answer can only be has been riding.