my grandfather used to telling me stories when I was young.为什么用used to teiiin而不用used t0 tell
问题描述:
my grandfather used to telling me stories when I was young.为什么用used to teiiin而不用used t0 tell
答
讲故事这是个进行时动作
答
be used to (doing)sth.习惯于做某事,后接名词,动名词,代词;而used t0 do ...被用来做某事