Упражнения по грамматике. http://www.ego4u.com/en/cram-up/grammar/exercises

http://www.ego4u.com/en/cram-up/grammar/exercises

Огромное количество упражнений для любого уровня. 

English Pool of Exercises

 

Choose from 4287 random sentences to practise the different tenses according to your level of English. You have to form positive and negative sentenses and questions.

First choose, which tense, kind of sentence and level you want to practise.Sentence Level
Simple Present (600 sentences)
positive sentences: Level 0 Level 1 Level 2 Level 3
negative sentences: Level 0 Level 1 Level 2 Level 3
questions: Level 0 Level 1 Level 2 Level 3
Present Progressive (414 sentences)
positive sentences: Level 0 Level 1 Level 2 Level 3
negative sentences: Level 0 Level 1 Level 2 Level 3
questions: Level 0 Level 1 Level 2 Level 3