Singular indefinite pronouns

Which of the following pronouns are singular

Which two sentences are written in subjunctive mood? take this money and go buy some clothes for yourself. i was happy because i passed the test, which i studied for. if only my umbrella would fix itself, then i could go out in this weather. i'm going on a trip to canada, but i'm not taking you with me. if i were the thief, i would have turned myself in before i got caught.

This world war ii poster was designed to encourage americans to avoid sharing information that could hurt the war effort. which appeals are used in the poster? identify at least two examples from the poster to support your answer. answer in a minimum of two complete sentences.