I have seen him somewhere.( 改为否定句)

I have seen him somewhere.( 改为否定句) I seem to have seen him somewhere before.（改为同义句） I have already seen the film （改为否定句） I remember having seen him somewhere I Remember having seen him somewhere . I want to go somewhere quite.(改为否定句) I remember having seen him somewhere 这里have 为什么用ing I must have seen him somewhere before,but his name ________ I have seen that movie 改为否定句 I_ _that movie i saw him yesterday改为否定句 I have seen him yesterday. I have ever seen the film 变否定句