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1 Formation of past participles • 2 Use of past participles
1 Formation of the perfect • 2 Use of the perfect
1 Formation of the imperfect • 2 Use of the imperfect
1 Formation of future • 2 Use of future
1 Formation of conditional • 2 Use of conditional
1 Definition • 2 Formation • 3 Agreement • 4 Alternatives to passive
1 Definition • 2 Semi-auxiliaries of time • 3 Modals