9th grade grammar exercises

Hi!
Here I'll post some activities related to what we have been working on in class. Follow the links and do the exercises. They'll help you with becoming increasingly better at English! Enjoy!

Present Perfect: Have you ever...?
- http://www.5minuteenglish.com/jul28.htm
- http://www.better-english.com/grammar/presentperfect1.htm

Comparison of adjectives
-  http://www.kas-wenden.de/nexercise/Englisch/free_exercises/comparison1/comparison1.htm
- http://www.myenglishgrammar.com/english/exercise-3-adjectives.html

-ing form or infinitive?
- http://www.learn4good.com/languages/evrd_grammar/gerund_infinitive_ex.htm
-://webdelprofesor.ula.ve/humanidades/azapata/materias/english_4/gerunds_versus_infinitives_exercises.pdf

-Phrasal verb take
-http://www.usingenglish.com/quizzes/205.html

-Questions
- http://www.englisch-hilfen.de/en/exercises/questions/form2.htm
- http://www.englisch-hilfen.de/en/exercises/questions/mistakes.htm