The Tense Time Machine

Do not memorize 12 disconnected rules. Choose a time, choose a viewpoint, and watch the sentence change.
Interactive learning lab

Every tense answers two questions.

1. When?

Past, present, or future

2. How do we view it?

Simple, ongoing, or prior

The master pattern

SimpleSee the action as a fact or whole.ProgressiveStep inside the action.PerfectLook backward from a reference point.BothLook backward at an ongoing activity.

The 12-tense map

Pick a tense to bring it to life

past
present
future
Simple
Progressive
Perfect
Perfect Progressive

Time lens

Where is your viewpoint?

present
past
present
future
Simplefact / whole
Progressiveinside action
Perfectbefore a point

What it means

Present Perfect

A past action connected to the present by its result or time period.

Native-speaker shortcut

The exact past time is not the focus; the present connection is.

Live sentence studio

Make the tense yours

Your sentence

She has written an essay.

subject + have/has + past participlealreadyyeteversinceso far

Use it for

  • life experience
  • recent results
  • unfinished time periods

Model example

Maya has written three essays this month.

The one-minute memory system

Learn four viewpoints, then move each through time.

Simple is a whole. Progressive is in progress. Perfect is before a reference point. Perfect progressive is ongoing before a reference point. Past, present, and future only move that reference point.

Go deeper with complete lessons

The visualizer gives you the mental model. The lessons give you exceptions, spelling rules, and practice.