Here’s a guide on how time expressions are used with each tense, along with their structures and examples:
1. Simple Present
Common Time Expressions:
Always, often, usually, sometimes, every (day/week/year), once a week, never, etc.
Examples with Time Expressions:
Positive: "She always wakes up at 6 AM."
Negative: "They never eat breakfast."
Question: "Do you usually go to the gym?"
Structure:
Positive: Subject + base verb (+ s/es for third-person singular)
Negative: Subject + do/does not + base verb
Question: Do/Does + subject + base verb?
2. Simple Past
Common Time Expressions:
Yesterday, last (night/week/year), (two days) ago, in (2000), when, earlier, once, etc.
Examples with Time Expressions:
Positive: "I visited the museum yesterday."
Negative: "She didn’t call me last night."
Question: "Did you see him two days ago?"
Structure:
Positive: Subject + past tense verb
Negative: Subject + did not + base verb
Question: Did + subject + base verb?
3. Present Perfect
Common Time Expressions:
Already, just, yet, never, ever, for (5 years), since (2010), so far, until now, recently, etc.
Examples with Time Expressions:
Positive: "I have already finished my homework."
Negative: "They have not visited Paris yet."
Question: "Have you ever been to Japan?"
Structure:
Positive: Subject + have/has + past participle
Negative: Subject + have/has not + past participle
Question: Have/Has + subject + past participle?
4. Past Perfect
Common Time Expressions:
Before, by the time, when, after, until, already, never, for (2 years), etc.
Examples with Time Expressions:
Positive: "She had already left by the time I arrived."
Negative: "They had not met before the event."
Question: "Had you finished your homework before she called?"
Structure:
Positive: Subject + had + past participle
Negative: Subject + had not + past participle
Question: Had + subject + past participle?
Would you like to focus on exercises or dive deeper into any specific tense?