Question

He has good knowledge of English grammar in error spot​

Answer 1

We have to find the error in the given sentence:

He has good knowledge of English grammar.

Answer:

• It is an incorrect sentence because of the inappropriate use of 'of'.
• We use the Preposition 'in' before 'English grammar' to correct the sentence.

- He has good knowledge in English grammar.

More information:

• The sentence given is in Present Indefinite Tense 'Have' Verb.

I have. We have.

You have. You have.

He / She / It has. They have.

Answer 2

The correct statement is:

He has a good knowledge of English grammar.

* Articles can be either definite or indefinite.

Definite article such as 'the' is used to denote something specific.

Indefinite articles such as 'a' and 'an' are used to refer to something that's non-specific.

* For example:

1. The police caught the thief.

2. I want an orange.