I very like playing football.是错的,应该说 I like playing football very much.
very忌修饰动词.修饰动词必须用a lot ,a litte ,very much等.例如：我非常喜欢英语.
误：I very like English .
正：I like English very much .
布朗太太非常喜欢吃肉.
误：Mrs Brown very likes meat .
正：Mrs Brown likes meat a lot .
虽然说副词是放在形容词之前 动词之后 但是Very的用法比较特殊,他有7忌
一.忌修饰形容词或副词的比较级.修饰形容词或副词的比较级,应借助于下列程度副词：much（……得多）,still（还要,还）,even（更）,far（……得多,大大……）.例如：
1.吉姆比凯特高得多.
误：Jim is very taller than Kate .
正：Jim is much taller than Kate .
2.昨天很热,但今天更热.
误：It was hot yesterday ,but it is very hotter today .
正：It was hot yesterday ,but it is still/even hotter today .
3.这部电影比那一部好得多.
误：This film is very better than that one .
正：This film is far better than that one .
二.忌修饰动词.修饰动词必须用a lot ,a litte ,very much等.例如：
4.我非常喜欢英语.
误：I very like English .
正：I like English very much .
5.布朗太太非常喜欢吃肉.
误：Mrs Brown very likes meat .
正：Mrs Brown likes meat a lot .
三.忌修饰作表语的形容词alive（有活力的,有生气的）,asleep（睡着的）,awake（醒着的,警觉的）,alone（单独的）等.例如：
6.我此刻非常清醒.
误：I am very awake at the moment .
正：I am wide awake at the moment .
7.学生们仍在熟睡.
误：The students are still very asleep .
正：The students are still fast asleep .
8.昨晚这座房子里就我一人.
误：I was very alone in the house last night .
正：I was all alone in the house last night .
四.忌用来加强副词或介词短语的语气,加强副词或介词短语的语气一般用right,有时用well.very只能用来加强形容词的语气.例如：
9.我到处找我的钢笔,可它就在我的口袋里.
误：I looked for my pen here and there ,but it was very in my pocket .
正：I looked for my pen here and there ,but it was right in my pocket .
10.这本书非常值得一读.
误：This book is very worth reading .
正：This book is well worth reading .
五.忌修饰“too＋形容词/副词”结构,该结构前常用much ,all等来加强语气.例如：
11.这件衬衫我穿起来太大了.
误：This shirt is very too large for me .
正：This shirt is much too large for me .
12.我们的英语老师讲话太快了.
误：Our English teacher speaks very too fast .
正：Our English teacher speaks all too fast .
六.忌替代“so…that…”,“too…to…”结构中的so和too.例如：
13.他年龄非常小,不能去工作.
误：He is very young to go to work .
正：He is too young to go to work .
14.我非常累,一点也走不动了.
误：I’m very tired that I can’t walk a bit .
正：I’m so tired that I can’t walk a bit .
七.忌出现在感叹句中,以免与感叹词重复.例如：
15.多么糟糕的天气啊!
误：What very bad weather !
正：What bad weather !
16.同学们干得多么带劲啊 !
误：How very hard the students are working !
正：How hard the students are working !
