Could anybody help me check the sentences I have made below?<br/><br/>I don't know whether I am correct.<br/><br/> Crazy About<br/><br/>(1) I have been/am crazy about learning English.<br/><br/>(2) I have been/am crazy about money.<br/><br/>(3) I have been/am crazy about Jolin Tsai.<br/><br/>(4) I have been/am crazy about you.<br/><br/>(5) I have been/am crazy about my little princess.<br/><br/>Is it the same to use have been and am in all these sentences?<br/><br/>Many thanks in advance.