that时态 now
now that可用于多种时态。 Now that you mention it ， she did seem to be in a strange mood. 既然你说到这事儿，她确实好像情绪不大对。 Now that you mention it ， i do remember .你这样一说，我想起来了。 He knew now that he was wasting his time .他现在明白自己是在白废口舌了。 Now that you are...