Lesson 18: Learning Grammar Through Conversations by Dr. Snea Thinsan
(Present Perfect Continuous)
A: “How long ___ you ___ here?”
B: “I’ve been waiting for about 20 minutes.”
Answer: b) have / been waiting – Present Perfect Continuous is used to indicate ongoing actions starting in the past and continuing into the present.
(First Conditional)
A: “If she ___ late, we’ll miss the bus.”
B: “Let’s remind her to leave on time.”
Answer: a) is – First Conditional uses ‘if’ + present simple to express a possible future condition.
(Relative Clauses)
A: “This is the book ___ I was talking about.”
B: “It looks interesting!”
Answer: c) which – ‘Which’ is used for objects in relative clauses.
(Gerunds vs. Infinitives)
A: “I prefer ___ at home instead of going out.”
B: “Me too. It’s more relaxing.”
Answer: a) staying – ‘Prefer’ is often followed by a gerund when expressing general preferences.
(Passive Voice: Present Perfect)
A: “The invitations ___ already ___ out.”
B: “Great! Now we can focus on the decorations.”
Answer: b) have / been sent – Passive Voice in Present Perfect is formed with ‘have/has been’ + past participle.
(Future Perfect Continuous)
A: “By next year, she ___ in the company for five years.”
B: “She’s really dedicated.”
Answer: a) will have been working – Future Perfect Continuous describes an action that will continue up until a specific point in the future.
(Modals of Necessity)
A: “You ___ finish your homework before watching TV.”
B: “I know. I’m almost done.”
Answer: b) must – ‘Must’ is used to express strong necessity or obligation.
(Comparative and Superlative Adjectives)
A: “This room is ___ than the one we stayed in last time.”
B: “It’s also the ___ room on this floor.”
Answer: a) larger / most spacious – Comparative and superlative forms depend on the adjective length and context.
(Prepositions of Place)
A: “The keys are ___ the table.”
B: “I see them now.”
Answer: b) on – ‘On’ is used when referring to objects resting on a surface.
(Reported Speech: Commands)
A: “She told me ___ quiet during the presentation.”
B: “That’s important.”
Answer: b) to be – Reported speech for commands uses ‘to’ + base form of the verb.
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