frank,with his two sisters,()london by train ,which()at 8:30 next morning为什么前一个空用is leaving for 请讲一下相应的语法和句式,

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frank,with his two sisters,()london by train ,which()at 8:30 next morning为什么前一个空用is leaving for 请讲一下相应的语法和句式,

frank,with his two sisters,()london by train ,which()at 8:30 next morning为什么前一个空用is leaving for 请讲一下相应的语法和句式,
frank,with his two sisters,()london by train ,which()at 8:30 next morning
为什么前一个空用is leaving for 请讲一下相应的语法和句式,

frank,with his two sisters,()london by train ,which()at 8:30 next morning为什么前一个空用is leaving for 请讲一下相应的语法和句式,
第一个空填is leaving for ,leave for ……出发去某地
leave 是表示位置移动的词,用现在进行时表示将来.
第二个空填leaves ,用一般现在时表示将来.

首先,主语frank是第三人称单数,所以要用is leaving for,不能用are leaving for; 虽然是“和他的两妹妹”一起去,但“和他的两妹妹一起”只是修饰主语Frank的,不能说一共三个人,就用are

is leaving for 是用be doing的形式(现在进行时的形式)表示将来时...

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首先,主语frank是第三人称单数,所以要用is leaving for,不能用are leaving for; 虽然是“和他的两妹妹”一起去,但“和他的两妹妹一起”只是修饰主语Frank的,不能说一共三个人,就用are

is leaving for 是用be doing的形式(现在进行时的形式)表示将来时

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