Past Perfect Tense

http://www.ego4u.com/en/cram-up/grammar/past-perfect-simple/exercises?03
http://www.ego4u.com/en/cram-up/grammar/past-perfect-simple/exercises?04
http://www.ego4u.com/en/cram-up/grammar/past-perfect-simple/exercises?05
http://www.ego4u.com/en/cram-up/grammar/past-perfect-simple/exercises

If conditional Test

http://www.ego4u.com/en/cram-up/tests/conditional-sentences-2

IF CONDITIONAL

http://www.ego4u.com/en/cram-up/grammar/conditional-sentences/type-1/exercises

http://www.ego4u.com/en/cram-up/grammar/conditional-sentences/type-1/exercises?02

http://www.ego4u.com/en/cram-up/grammar/conditional-sentences/type-2/exercises

http://www.ego4u.com/en/cram-up/grammar/conditional-sentences/type-2/exercises?02