Hi<br/><br/>Are the following sentences correct? Please let me know. Thanks.<br/><br/><span style="color:#0000ff;"><b>1:</b> We are just friends and not anything further than that.</span><br/><br/><span style="color:#0000ff;"><b>2:</b> Who knows. Perhaps, you are throwing a prank on me.</span><br/><br/><span style="color:#0000ff;"><b>3:</b> Mentioning of that name does ring some bells in my head but I can't figure out what those bells signify.</span><br/><br/><span style="color:#0000ff;"><b>4:</b> Listen, I can't be rude to anyone. But some people just take advantage of this (or, But some people just misuse my courtesy).</span>