Hi, Youali! Laureli answered the question perfectly. I just want to add that we often don't use "I should go" as a question unless we're questioning someone's suggestion. For example: Person A: "If your house is on fire, what should you do?" Person B: "I should go?" Person A: "Exactly! You should leave your house!" I hope my answer helps =)

While you can certainly use "I should go?" as a question, more often I hear it as a statement. If you are asking somebody if you should leave, using "Should I go" sounds a little more natural. "Shall I go?" is somewhat more formal.

Hi Youali, You presented three interrogative sentences: A: I should go? B: Should I go? C: Shall I go? When we present a question, it is a convention to start with the verb before the subject. For example: May (verb) I (pronoun/subject) be excused? (Correct) VS I (pronoun/subject) may (verb) be excused? (Incorrect). Such a concept is known as "inversion", and is also commonly used in other situations such as reporting someone's speech. For example: Mary asked, "Should (verb) we (pronoun) proceed with the discussion?" (Direct speech) [Sentence B follows the positions of the verb and pronoun in the direct speech, as it is a question directly from you.] Mary asked if/whether they (pronoun) should (verb) proceed with the discussion. (Reported speech) [Notice that the positions of the pronoun and verb are swapped.] In view of this, sentence A is grammatically wrong while sentence B is grammatically sound. Sentence A can still be grammatically sound if it is a declarative statement: "I should go." In this case, you are making a decision on your own to leave. In sentence C, you are asking about the possibility of going somewhere in the future. Hope this helps. Cheers, Lance

If you are asking you friend for a pieces of advice use : Should I go ?