Exercises with sentences with two objects:
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?07
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?08
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?09
Exercises with sentences with two objects:
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?07
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?08
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?09
More exercises for further practise on this topic from active to passive:
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?simple-present
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?simple-past
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?present-perfect
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?future-1
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?05
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?06
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?present-progressive
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?past-progressive
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?past-perfect
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?future-2
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?conditional-1
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?conditional-2
An easy tutorial on the Passive Voice in English:
http://www.ego4u.com/en/cram-up/grammar/passive
Some links to exercises on the topic:
http://www.ego4u.com/en/cram-up/grammar/passive/exercises
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?02
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?03
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?04
A video with a lot of samples of the usage of the Present Perfect in well known songs.
More links with exercises on the topic. From easy to more difficult.
http://www.english-grammar-lessons.com/presentperfect/exercise1.swf
http://www.english-grammar-lessons.com/presentperfect/exercise2.swf
http://www.english-grammar-lessons.com/presentperfect/exercise3.swf
http://www.english-grammar-lessons.com/presentperfect/exercise3.swf
http://www.english-grammar-lessons.com/presentperfect/exercise5.swf
http://www.english-grammar-lessons.com/presentperfect/exercise6.swf
http://www.english-grammar-lessons.com/presentperfect/exercise7.swf
http://www.english-grammar-lessons.com/presentperfect/exercise8.swf
http://www.english-grammar-lessons.com/presentperfect/exercise9.swf
Easy tutorial to the topic:
http://www.english-grammar-lessons.com/presentperfectorpastsimple/menu.php
Links for further practice on this topic:
http://www.englishpage.com/verbpage/verbs5.htm
http://www.englishpage.com/verbpage/verbs6.htm
http://www.english-grammar-lessons.com/presentperfectorpastsimple/exercise1.swf
http://www.english-grammar-lessons.com/presentperfectorpastsimple/exercise2.swf
http://www.english-grammar-lessons.com/presentperfectorpastsimple/exercise3.swf
http://www.english-grammar-lessons.com/presentperfectorpastsimple/exercise4.swf
http://www.english-grammar-lessons.com/presentperfectorpastsimple/exercise5.swf
A tutorial to tell the difference between these two tenses:
http://www.ego4u.com/en/cram-up/grammar/simpas-preper
And now some exercises:
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex02
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex03
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex04
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex05
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex06
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex07
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex08
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test1
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test2
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test3