Present Simple (habits) vs Present Continuous (now) vs Past Simple (finished).
I work every day • I am working now • I worked yesterday
don't work • am not working • didn't work
Do you work? Are you working? Did you work?
Will (spontaneous/opinion) vs Be Going To (prior plan/evidence).
I will help you (instant) • I am going to buy a car (planned)
won't help • am not going to buy
Will you help? Are you going to buy?
| Example / Question | Positive / Short Answer | Negative / Short Answer |
|---|---|---|
| Present Simple | S + V(s/es) | don't/doesn't + V | Signal: always, usually, every day |
| Present Continuous | S + am/is/are + V-ing | Signal: now, right now, at the moment |
| Past Simple | S + V2/V-ed | didn't + V | Signal: yesterday, ago, last week |
| Future Simple / Going to | S + will + V | S + am/is/are going to + V | Signal: tomorrow, next week, soon |
| Rule | Base / Standard Form | Applied Form |
|---|---|---|
| Tense Harmony Principle | Match your tense to the time context! Look for time signal words first before choosing the verb form. | yesterday = Past Simple; tomorrow = Future; now = Present Continuous |
Identify time clues to seamlessly switch between past, present, and future forms.
Focus on time keywords (yesterday, now, usually, tomorrow). The time word dictates 95% of tense choices at A2 level.