Master English Tenses, Participles, and Conditionals
20 questions
A. Ano
B. Ne
Explanation: The study materials list "all day", "the whole day", "since", "for", and "questions with how long" as signal words for the Present Perfect Continuous. "At the time" is indicated as a signal word for the Past Continuous tense.
A. before, already, just
B. yesterday, last year, ago
C. while, during, at that moment
D. since, for, all day
Explanation: The study materials list 'before, when, after, already, just, never, not yet, until that day' as signal words for the Past Perfect tense. Therefore, 'before, already, just' are all correct signal words for this tense. The other options are signal words for other tenses as outlined in the study materials.
A. Ano
B. Ne
Explanation: The study materials provide the example "I need a break ______________ I (type) in those numbers for three hours now." and this context indicates an action that started in the past and continues up to the present, which is characteristic of the Present Perfect Progressive, requiring 'have been typing'.
A. came; waited
B. was coming; waited
C. came; was waiting
D. was coming; was waiting
Explanation: The study material provides the example 'When I came into the office, my boss was waiting for me.' This structure uses the Simple Past for the action that interrupted or occurred at a specific point ('came') and the Past Progressive for the ongoing action ('was waiting').
A. Ano
B. Ne
Explanation: Participle clauses are not very common in spoken English; however, you can find lots of examples in written English because they can be very useful. They are used mainly in written text, academic or journalistic style.