Enerybody knows him.时态为?助动词?否定句?HE calls at every house in the street once a month.
问题描述：
Enerybody knows him.时态为?助动词?否定句?HE calls at every house in the street once a month.
HE calls at every house in the street once a month.时态为?助动词?对 once a month划线提问?给某人打电话（5）种
答
一般现在时 助动词：does 否定句为 Everybody doesn't know him.
一般现在时 助动词：does 划线提问为：How often does he call at every house in the street?