Parts of the following sentence are given as options. Identify the part that contains a grammatical error.
My grandmother is knowing / the names of all the birds / that visit the neem tree / in our courtyard.
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → My grandmother is knowing
The sentence says “is knowing”. This is wrong. “Know” names a state of the mind, not an action. Such verbs are not used in the continuous form (is + verb-ing). So the simple present knows must be used.
Option 1: My grandmother is knowing — Error. “is knowing” should be “knows”.
Option 2: the names of all the birds — No error.
Option 3: that visit the neem tree — No error. “Visit” is plural because it agrees with “birds”.
Option 4: in our courtyard — No error.
Corrected: My grandmother knows the names of all the birds that visit the neem tree in our courtyard.