tests by here4u with the online test builder (669 tests)

581. Extraordinary little tree (Verbal forms) (2025 candidates)
582. Most /Most of the / the most ... (8775 candidates)
583. To be dead/to die/death and LIFE (3025 candidates)
584. Such a strange trial ... 2/2 Mix of tenses (1923 candidates)
585. Such a strange trial ...1/2 Past perfect (2017 candidates)
586. Quite or Quiet (1393 candidates)
587. Preterite or Present Perfect (20023 candidates)
588. To say / to tell ... (3326 candidates)
589. Too - Also - As well - Either - Not either (10095 candidates)
590. Let's come or Let's go (6393 candidates)
591. Use of tenses : The worst enemy ? The best friend ? 2/2 (4003 candidates)
592. Use of tenses : The worst enemy ? The best friend ? 1/2 (9268 candidates)
593. Uncountables and Countables (3977 candidates)
594. Too (much/many) or Enough (3688 candidates)
595. Verbs of involuntary perceptions ... (2274 candidates)
596. Infinitive, continued ! (1966 candidates)
597. Infinitive after verbs expressing will power ... (8477 candidates)
598. Not everyone has ... (2174 candidates)
599. What about suggesting ... (3988 candidates)
600. Difficulties of the Passive Form (16183 candidates)