there is still half an hour to go

问题描述:

there is still half an hour to go
这里的to

there is still half an hour to go 中to go 是指还剩多少时间【这是许国璋英语中的句子】
句子意思:还有半个小时
词典上的解释:
used for forming an infinitive that is the subject,object,or complement of a verb,or is the complement of an adjective,noun,or pronoun
即:此处to是用于形成不定式to go 是对前边的half an hour进行补充说明的
如:There are only five minutes to go 还剩下五分钟
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