MCQ Practice English 📖 I know that he will come. The underlined part is - A a noun clause B a principle clause C an adjective clause D an adverial clause Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up PreviousI know that he will come. Here 'I know ' is - Next- I known the face, I would have informed you about that.