Complete the sentence using the Past Simple and Past Continuous. "I ________ (walk) home when it suddenly ________ (start) to rain."
was walking / started
Complete this First Conditional sentence. "If you ________ (not / hurry), we ________ (miss) the train."
don't hurry / will miss.
Change this sentence into the Passive voice (keep it in the Past Simple). "Leonardo da Vinci painted the Mona Lisa." -> "The Mona Lisa ________ by Leonardo da Vinci."
was painted
Correct the error in this subject question. "Who did call you last night?"
"Who called you last night?" Rule: When the question word is the subject, we use statement word order without an auxiliary verb.
Complete the sentence with the correct comparative structure. "A cheetah is much ________ (fast) than a lion."
faster
Identify and correct the error in this sentence about a past habit. "When I was a child, I would live in a small house by the sea."
"Would live" should be "used to live." Rule: "Would" can only be used for past actions, not past states (like living, knowing, or being).
Identify and correct the error in this Second Conditional sentence. "If I have a million dollars, I would buy a mansion."
"have" should be "had." Rule: The Second Conditional uses the past simple in the 'if' clause to express an unreal present/future.
Identify and correct the verb pattern error. "I look forward to meet you next week."
"to meet" should be "to meeting." Rule: The "to" in "look forward to" is a preposition, so it must be followed by an -ing form.
Change this direct question into an indirect question. "Where is the train station?" -> "Could you tell me ________?"
"where the train station is." Rule: Indirect questions follow statement word order (subject + verb).
Identify and correct the quantifier error in this sentence. "I can't go out tonight. I have very few time left to finish this project."
"few time" should be "little time." Rule: "Time" is uncountable, so it takes "little," whereas "few" is for countable nouns.
Complete the sentence using the Present Perfect Simple and Present Perfect Continuous. "I ________ (read) this book all afternoon, but I ________ (not finish) it yet."
have been reading / haven't finished
Correct the grammatical mistake in this Third Conditional sentence. "If you would have studied harder, you would have passed the exam."
"If you had studied harder..." Rule: We do not use "would have" in the 'if' clause of a conditional.
What is the difference in meaning between these two sentences? A) "He stopped smoking." B) "He stopped to smoke."
A means he quit the habit of smoking entirely. B means he interrupted another action in order to have a cigarette (infinitive of purpose).
Correct the error in reported speech. "She said me that she was tired."
"She told me that..." or "She said that..." Rule: "Tell" requires a direct object, but "say" does not.
Insert the correct relative pronoun into the non-defining relative clause. "My brother, ________ lives in New York, is visiting next week."
who. (Note: "that" cannot be used in a non-defining relative clause).
Read the following sentence. Why did the speaker use the structure "keeps tapping" instead of just the past or present simple? "During the entire exam, the guy next to me kept tapping his pen on the desk."
The structure keep + -ing is used to describe an action that continued longer or occurred more frequently than expected, often to express annoyance.
Look at this Mixed Conditional sentence: "If I had eaten breakfast, I wouldn't be hungry now." Explain the timeframes of the cause and the result.
The cause ("had eaten") is an unreal action in the past, and the result ("wouldn't be") is an unreal state in the present.
Explain the difference between the past obligations in these two sentences: A) "We didn't need to buy milk." B) "We needn't have bought milk."
A means buying milk wasn't necessary (and we probably didn't buy it). B means we did buy the milk, but the action turned out to be completely unnecessary.
Rewrite this direct request into reported speech. "Please close the window," the teacher said to John.
The teacher asked John to close the window.
How does the comma change the meaning between these two sentences? A) "The students who studied passed the test." B) "The students, who studied, passed the test."
Sentence A (defining) means only the specific students who studied passed (others failed). Sentence B (non-defining) means all the students in the group studied, and all of them passed (the clause just adds extra information).
Identify and correct the tense error in this sentence. "She was completely exhausted because she had been ran for two hours."
"had been ran" should be "had been running." Rule: The Past Perfect Continuous requires had + been + verb-ing.
Complete the sentence using a modal verb for past regret. "I'm so exhausted today. I really ________ (not / stay up) so late last night watching movies."
shouldn't have stayed up (or ought not to have stayed up).
Rewrite this active sentence into two different passive constructions. "They gave the winner a prize."
The winner was given a prize.
A prize was given to the winner.
Look at this highly formal question: "To whom did you speak?" How would a native speaker normally structure this question in everyday, informal spoken English?
"Who did you speak to?" Rule: In informal English, the preposition moves to the end of the question, and "who" is used instead of "whom."
Identify and correct the comparative structure error. "More practice speaking English, the better you will get."
"The more you practice..." Rule: This structure requires "The + comparative..., the + comparative..." to show how one thing leads to another.