|
Guiding questions: non-finite verb forms |
657 |
|
Modals to express permission / prohibition: CAN, COULD, MAY, MIGHT, BE ALLOWED TO, MUSTN'T, BE TO |
657 |
|
Zero conditional |
657 |
|
Other expressions followed by the gerund |
655 |
|
Reporting questions |
655 |
|
Appendix: spelling rules |
654 |
|
Partitive expressions with uncountable nouns |
653 |
|
Causative structures |
652 |
|
Nouns with a singular form and a singular or plural meaning (collective nouns) |
652 |
|
Changes in indirect speech |
650 |
|
Reporting an earlier event in the passive voice |
650 |
|
Present continuous for habitual actions in the present |
649 |
|
TO-infinitive or gerund: CONSIDER, IMAGINE |
648 |
|
Ditransitive verbs in the passive voice |
646 |
|
Guiding questions: conditionals and unreal tenses |
646 |
|
The definite article with adjectives |
646 |
|
Modals in the third conditional |
645 |
|
SEE, WATCH, HEAR, LISTEN, FEEL, SMELL, NOTICE, OBSERVE + object + present participle |
645 |
|
The difference between the past simple and the past perfect |
645 |
|
Present perfect in the first conditional |
644 |
|
Modals to express predictions: BE GOING TO, WILL |
643 |
|
Introductory infinitive clauses |
641 |
|
Modals to express obligation: MUST, HAVE (GOT) TO |
641 |
|
The forms of the participle |
641 |
|
Wishes about the past |
641 |
