passive voice

http://www.learnenglish.be/gr2_passive_ex1.htm

passive voice present

http://www.kico4u.de/english/uebungen/passiv/simplepresein.htm

past perfect

http://www.english-grammar-lessons.com/pastperfect/exercise2.swf

past perfect

http://www.english-4u.de/past_perfect_ex2.htm

past perfect vs Past simple

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

past perfect

http://www.ego4u.com/en/cram-up/tests/past-perfect-simple-2

past perfect

http://www.ego4u.com/en/cram-up/tests/past-perfect-simple-1

past perfect

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

past perfect

http://www.ego4u.com/en/cram-up/grammar/past-perfect-simple/exercises?05

past perfect

http://www.ego4u.com/en/cram-up/grammar/past-perfect-simple/exercises?04

past perfect

http://www.ego4u.com/en/cram-up/grammar/past-perfect-simple/exercises?03

passive voice

http://users.fulladsl.be/spb9193/pass1.html

passive voice past

http://www.ego4u.com/en/cram-up/grammar/passive/exercises?02

passive voice

http://www2.arnes.si/~dkrape/passive.htm

passive voice

http://www.eflnet.com/grammar/passive2.php

passive voice: present

http://www.ego4u.de/de/cram-up/grammar/passive/exercises?simple-present

passive voice

http://www.ego4u.de/de/cram-up/grammar/passive/exercises?simple-past

adjectives followed by prepositions

http://www.esltower.com/GRAMMARQUIZ/GRAMMAR/adjectives%20followed%20by%20prepositions/adjectives%20followed%20by%20prepositions.html

adjectives followed by prepositions

http://www.esltower.com/GRAMMARQUIZ/intermediate/adjectives%20followed%20by%20prepositions.htm

reflexive pronouns

EX 1http://www.learnenglish.be/gr2_rpronoun_ex1.htm

EX 2http://www.learnenglish.be/gr2_rpronoun_ex2.htm