英语语法分析
They ( had been forced ) ( to uproot ( their vines ) ) and plant wheat .
他们被迫连根拔起藤蔓，种植小麦。
成分
They:代词。
had:助动词。
been:助动词。
forced:谓语动词,过去完成时,被动语态。
had been forced:过去完成时,被动语态。
uproot:动词。
their:代词。
vines:名词。
their vines:名词短语,宾语。
to uproot their vines:不定式。
and:连词。
plant:谓语,一般现在时。
wheat:名词,宾语。
plant wheat:句子。
They had been forced to uproot their vines and plant wheat .:句子。
在这里输入需要解析的英语句子。
