1. Will you recommend me a book?

Question

- I recommend you this book, the Autobiography of Benjamin franklin.

2. I recommend you that you go shopping with your wife.

3. I recommend this smart phone to you.

4. I recommend you that you shoud go shopping with your wife.

5. I recommend this copier for you.

(Are the sentences above all grammatical? Do we have to use 'should' or not in Sentence 4? Thank you.)

Answer 1

1. Will you recommend a book for me?
I recommend this book for you.

The rest are correct. You don't have to use "should" in sentence 4.