Question

Which of the following sentences is correctly punctuated?
1.I have taken notes on your book however I still have questions.
2.I have taken notes on your book, however I still have questions.
3.I have taken notes on your book; however, I still have questions.
4.I have taken notes on your book however; I still have questions.

Answer 1

3. is correct because after book there should be a semi colon because there is a pause of a lesser time
Hope it helps

Answer 2

3rd one
i hope it helps u