1. Will you recommend me a book?
- 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.)
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.
1. Yes, the sentence "I recommend you this book, the Autobiography of Benjamin Franklin" is grammatically correct. However, it would be more natural to say "I recommend this book, the Autobiography of Benjamin Franklin, to you."
2. The sentence "I recommend you go shopping with your wife" is grammatically correct. However, it would be more natural to say "I recommend that you go shopping with your wife" or "I recommend going shopping with your wife."
3. The sentence "I recommend this smartphone to you" is grammatically correct.
4. The sentence "I recommend you should go shopping with your wife" is grammatically correct. In this case, "should" is used to express a suggestion or advice. However, it is also acceptable to remove "should" and say "I recommend you go shopping with your wife."
5. The sentence "I recommend this copier for you" is grammatically correct.