tests by here4u with the online test builder (670 tests)

601. To be dead/to die/death and LIFE (3044 candidates)
602. Such a strange trial ... 2/2 Mix of tenses (1934 candidates)
603. Such a strange trial ...1/2 Past perfect (2026 candidates)
604. Quite or Quiet (1444 candidates)
605. Preterite or Present Perfect (20485 candidates)
606. To say / to tell ... (3368 candidates)
607. Too - Also - As well - Either - Not either (10254 candidates)
608. Let's come or Let's go (6435 candidates)
609. Use of tenses : The worst enemy ? The best friend ? 2/2 (4053 candidates)
610. Use of tenses : The worst enemy ? The best friend ? 1/2 (9425 candidates)
611. Uncountables and Countables (4102 candidates)
612. Too (much/many) or Enough (3726 candidates)
613. Verbs of involuntary perceptions ... (2286 candidates)
614. Infinitive, continued ! (2023 candidates)
615. Infinitive after verbs expressing will power ... (8641 candidates)
616. Not everyone has ... (2191 candidates)
617. What about suggesting ... (4145 candidates)
618. Difficulties of the Passive Form (16425 candidates)
619. 'Make someone do'/'Have something done': (a little further) (43063 candidates)
620. We'd still like to work on more tenses ...(2/2) (1749 candidates)