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Tenses — Master All 12 with Signal Words

✍️ Grammar  ·  ⏱️ 7 min read  ·  Updated June 2026

The 12-tense map

Every English tense is just one of 4 times (Present, Past, Future) × 4 aspects (Simple, Continuous, Perfect, Perfect Continuous). Read a tense as time + aspect and the structure follows automatically.

TenseStructureSignal words
Simple PresentV1 / V-salways, usually, every day
Present Continuousis/am/are + V-ingnow, at the moment, Look!
Present Perfecthas/have + V3just, already, yet, ever, since, for
Present Perfect Cont.has/have been + V-ingsince, for (still going on)
Simple PastV2yesterday, ago, last, in 1990
Past Continuouswas/were + V-ingwhile, as, at 5 pm yesterday
Past Perfecthad + V3before, after, by the time
Past Perfect Cont.had been + V-ingfor/since + a past point
Simple Futurewill + V1tomorrow, next, soon
Future Continuouswill be + V-ingat this time tomorrow
Future Perfectwill have + V3by + a future time
Future Perfect Cont.will have been + V-ingby ... for + duration

हिन्दी: tense पहचानने का सबसे तेज़ तरीका — वाक्य का signal word ढूँढो (just, since, yesterday, tomorrow), वही tense बता देता है।

The three traps that decide questions

  1. Two past actions → earlier one in Past Perfect. "The train had left before I reached the station."
  2. Stative verbs are not used in the continuous. Verbs of state — know, believe, love, hate, own, seem, understand — stay simple. ✗ "I am knowing" ✓ "I know".
  3. Since vs For. Since + a point of time (since 2010, since Monday); for + a length of time (for 5 years, for two hours).
⚠️ After "It is high time / It is time" use the past tense: "It is high time we started." Same with "I wish" for a present wish: "I wish I were taller."

Universal truths never shift

Even after a past reporting verb, a universal truth stays in the present: "The teacher said that the sun rises in the east." Most other reported clauses shift one tense back — but truths, habits and proverbs do not.

← Back to all study notes  ·  Notes by Dr Pankaj Tiwari, English Lecturer & Author.