moment 的后面结什么时态,比如at the moment I______(type)the letter

moment 的后面结什么时态,比如at the moment I______(type)the letter in 后面加时间用什么时态?比如The plane (take off) in a moment.这样in后面加时间,还有什么样的?这种应该用什么时态? at the moment 用于什么时态 看到at the moment用什么时态? at the moment和 in a moment 用于什么时态 at the moment 时态 at that moment ；at this moment ；at this time ；at that time分别用什么时态? at the moment , at that moment ,at present各用什么时态? at the moment是什么时态 at once right now right away at the moment 区别、比如用在哪个时态 at the moment等于now吗用在什么时态 the moment用在什么时态 for a moment 和for the moment呢 at this time后面用什么时态 at后面动词用什么时态 at that moment 用于什么时态?一般过去时还是过去进行时?what were you doing at thet moment?He got home at that moment. Are the children doing their homework at the moment?的肯定回答 at the moment是什么时态的标志?Are the children doing their homework at the moment?的肯定回答是什么?at the moment是什么时态的标志? Are the children doing their homework at the moment?的肯定回答 at the moment是什么时态的标志?Are the children doing their homework at the moment?的肯定回答是什么?at the moment是什么时态的标志? at that moment是什么时态标准 关于at the moment的时态at the moment 可不可以用现在进行时和过去进行时?/