it's rainy in summer.
it为主语,is为系动词.此句为主语+系动词+表语句型.
表语是用来说明主语的身份、性质、品性、特征和状态的,表语常由名词、形容词、副词、介词短语、不定式、动词的-ing、从句来充当,它常位于系动词(be,
become,appear,seem,look,sound,feel,get,smell等词)之后.
it's rainy in summer.
it为主语,is为系动词.此句为主语+系动词+表语句型.
表语是用来说明主语的身份、性质、品性、特征和状态的,表语常由名词、形容词、副词、介词短语、不定式、动词的-ing、从句来充当,它常位于系动词(be,
become,appear,seem,look,sound,feel,get,smell等词)之后.