tests by here4u with the online test builder (650 tests)

581. Difficulties of the Passive Form (15861 candidates)
582. 'Make someone do'/'Have something done': (a little further) (42002 candidates)
583. We'd still like to work on more tenses ...(2/2) (1721 candidates)
584. We want to work with tenses ...(1/2) (2371 candidates)
585. Two simultaneous actions in the past ... (12116 candidates)
586. Cause ? Aim? Not mixing the two concepts ... (21109 candidates)
587. Absence of obligation (24549 candidates)
588. To talk someone into / out of doing something ... (2319 candidates)
589. Difficulties in Reported Speech (15354 candidates)
590. Will and Would: a little further (7106 candidates)
591. Used to / to be used to (33606 candidates)
592. Present continuous (11673 candidates)
593. Past simple and continuous (8658 candidates)
594. Express future (11780 candidates)
595. Express future (6911 candidates)
596. Increase your vocabulary : 2-4 (3341 candidates)
597. Negatives and semi-negatives (5510 candidates)
598. Sequence of tenses : The Student and the Rose (3) (3751 candidates)
599. Sequence of tenses : The Student and the Rose (2) (en modif (4717 candidates)
600. Sequence of tenses : The Student and the Rose (1/3) (17637 candidates)