since you have come对吗,come不是瞬间动词吗不说瞬间动词要变延续性动词么,应该是since you have been here?

since you have come对吗,come不是瞬间动词吗不说瞬间动词要变延续性动词么,应该是since you have been here? You should come to attend the evening party since you have promised to do I have been here since last month.（对since last month部分提问） have you been like this? Since I have seen you you have come this 单项选择,要详解 since you have come so far with your exp单项选择,要详解since you have come so far with your experiment,you______carry it through to the end.A.mayB.mightC.may wellD.may as well l have known her since l have come here 改错 急用】Dearest One I know this mail will come to you as a surprise since we have not i have known him since he came here对since he came here提问 ___ ___ ___ you known him? 如何对下面句子中的since 1992进行提问?You have lived on central street since 1992. many great changed have taken place since you left.这语法是对的吗? He has tauhgt here since he come here 对since he come here 提问 You have come too late. Since when have you become active?翻译 I have _______here for two months.So you _______here since two years agoA come cameB been have beenC been came D come have been选哪个呢 为什么呢 You _____ again, but since you are here, i think we should let you have another tryA.needn't comeB.shouldn't comeC.needn't have comeD.couldn't have come选哪个?为什么? i hope you are not lonely since i come your (1)you have nothing else to do.Why not come with me to the interesting meeting?1:A Since B When C For D Because