He stared at me as if seeing me for first time.
问题描述：
He stared at me as if seeing me for first time.
翻译并急事if 后面为什么用ing形式.
而另外一句if后面用的to do.为什么
He cleared his throat as if to say something.
答
He stared at me as if seeing me for first time.as if 后面用ing形式表示似乎正在做某事例如：He stood there as if waiting for someone.He cleared his throat as if to say something.as if 后面用to do形式表...