用所给单词的适当形式填空.____it often __ (rain)in summer?并说出原因.
问题描述:
用所给单词的适当形式填空.____it often __ (rain)in summer?并说出原因.
答
Does rain , 一般现在时的疑问句
答
Does rain
原句是it often rains in summer 夏天常下雨
变成一般疑问就是Does it often rain in summer
答
Does,rain
rain在此做实意动词“下雨”的意思,因此一般疑问句用助动词帮助完成,主语是It,第三人称单数,因此助动词用does