I Remember having seen him somewhere .

I remember having seen him somewhere I Remember having seen him somewhere . I remember having seen him somewhere 这里have 为什么用ing Having seen her somewhere before,but i can't remember her na I have seen him somewhere.( 改为否定句) I remember having seen her in a cafe中的having seen是不是非谓语动词? i remember having met that old man somewhere ____hard on his I remember （ ）you somewhere I seem to have seen him somewhere before.（改为同义句） I must have seen him somewhere before,but his name ________ Not having seen him for a long time ,I can hardly r___ him. I have seen him yesterday.