The document provides a list of links to exercises on the present simple tense in English grammar. It includes exercises on the affirmative and negative form, questions, and mixed tenses. The exercises cover topics such as the third person exceptions, long and contracted negatives, and common uses of the present simple tense.

1. PRESENT SIMPLE - exercises
FORM:
3rd person exceptions:
http://www.ego4u.com/en/cram-up/grammar/simple-present/
exceptions/exercises
http://www.ego4u.com/en/cram-up/grammar/simple-present/
exceptions/exercises?02
Affirmative:
http://www.ego4u.com/en/cram-up/grammar/simple-present/
form/exercises?02
http://www.englisch-hilfen.
de/en/exercises/tenses/simple_present_statements.htm
http://www.englisch-hilfen.
de/en/exercises/tenses/simple_present_statements2.htm
Negative:
Long form:
http://www.englisch-hilfen.
de/en/exercises/tenses/simple_present_negation.htm
http://www.englisch-hilfen.
de/en/exercises/tenses/simple_present_negation_long.htm
http://www.englisch-hilfen.
de/en/exercises/tenses/simple_present_negation_long2.htm
Contractions:
http://www.englisch-hilfen.
de/en/exercises/tenses/simple_present_negation2.htm
http://www.englisch-hilfen.
de/en/exercises/tenses/simple_present_negation_contracted.htm
http://www.englisch-hilfen.
de/en/exercises/tenses/simple_present_negation_contracted2.htm
Both:
http://www.ego4u.com/en/cram-up/grammar/simple-present/
form/exercises?03
http://www.englisch-hilfen.
de/en/exercises/tenses/simple_present_negation_sentences.htm

2. http://www.englisch-hilfen.
de/en/exercises/tenses/simple_present_negation_sentences2.htm
http://www.englisch-hilfen.
de/en/exercises/tenses/simple_present_negation_sentences3.htm
Questions:
http://www.ego4u.com/en/cram-up/grammar/simple-present/
form/exercises?04
http://www.englisch-hilfen.de/en/exercises/questions/simple_present.htm
http://www.englisch-hilfen.de/en/exercises/questions/simple_present2.htm
answers: http://englishgrammarsecrets.com/presentsimple/exercise2.swf
Mixed:
http://www.ego4u.com/en/cram-up/grammar/simple-present/
form/exercises
http://www.englisch-hilfen.de/en/exercises/tenses/simple_present_mix.htm
http://www.englisch-hilfen.
de/en/exercises/tenses/simple_present_mix2.htm
USE:
http://englishgrammarsecrets.com/presentsimple/exercise1.swf
http://englishgrammarsecrets.com/presentsimple/exercise3.swf
http://englishgrammarsecrets.com/presentsimple/exercise4.swf
http://examenglish.com/grammar/present_simple.htm