Modal Verbs in the Past: Regrets, Certainty, and Possibilities
Lingard
Using modal verbs with have and a past participle to express regrets, certainty, possibility, and impossibility about the past. Examples included.
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Reported speech with questions and commands
Phrasal verbs with multiple meanings
Expressing purpose and result with "so that" and "such ... that"
Using "supposed to"
Expressing contrasting ideas with "although," "though," "even though.”
Past Perfect
Future Perfect
Using "used to" for past habits and states
Third Conditional
Present Perfect Continuous
Causative structures
Used to and Would