[ Grammar ]
Must/ Can´t/ couldn´t + have + past participle
A. Speculation
B. Deduction
C. Wishes in the past

Random Topics:
Will or Going toVocabulary and IdiomsPrepositionFor vs SinceFuture Tense VocabularyPrepositional PhrasesPronouns and Subject Verb AgreementConjunctions, Interjections and DeterminersComparative AdjectivesMaritime Vocabulary and GrammarOther quiz:
If Conditional › ViewIf he ______ that, he will be sorry.
A. will do
B. does
Narrative Tenses › View
She was out of breath because she __________ (run) for an hour.
A. ran
B. had run
C. was running
D. had been running
Understanding Product Packaging and Tenses › ViewWhat is the main purpose of a procedure text?
A. To explain a process
B. To persuade
C. To inform
D. To entertain
Vocabulary & Grammar › View
My dad ______________ a football match three days ago.
A. watch
B. watched
C. watches
D. is watching
