I saw this film before和I've seen this film before有什么区别?

I saw this film before和I've seen this film before有什么区别? I saw this film on television（ last year）.(针对划线部分提问) This is the second time that i saw this film,so impressive to me!这句话有没有时态问题? This is _____ interesting film I saw it twice.A.such B.so C.such an D.so an This is the film.I saw it yesterday.将两个句子用that合成一句再行等，快 This film is_____(excited)than the one we saw yesterday i never felt nothing in the world like this befo这是第一句,是个男的唱的 This is the second time that i saw this film,so impressive to me!这句话有没有问题?前面那一部分时态有问题吗? I saw a film yesterday evening( 变为同义句) 英语翻译It was in Shanghai that I saw the film.( i saw a (f__ )film yesterday .it's great I have seen the film.和I saw the film.什么区别 英语 (11 11:41:33)This is the film.I saw it yesterday.(将两个句子用that合并成一个句子） 小学英语句型转换This is the film .I saw it yesterday .(将两个句子用that合并成一个句子） This is the first time I ()a film in the cinema with my familyA. see B. had seen C. saw D. have seen Kitty,will you go to see the film Cold Mountain this evening? No,I won't,I___it alreadyA saw b have c see d will see为什么? ——Have you seen this film?——Yes,I have,I saw at——Have you seen this film?——Yes,I have,I saw at in Nanjing.句中at与in能否省略一个,如何看待两个介词在一起? so i have seen this film t