ENGRINDR

Daily streak

12 days

Boss fight

Grammar Warden

60% HP remaining

Weekly leaderboard

+240 XP

English, leveled up

A New Way to Master English Grammar

Get an AI diagnosis when you slip, take on gamified Boss Fights, and build daily streak rewards that keep your English moving forward.

Start Grinding

Free to start. No credit card needed.

Start exploring

Grammar learning, made clear.

✓ 1.2 Present Simple
1.3 Present Continuous
Locked

145 structured levels

A clear path from core tenses to advanced grammar, one focused level at a time.

Subject+Modal+Base Verb
Incorrect:
I can to swim.
Correct:
I can swim.

Instant tutor guides

Learn the rule, see the form, and avoid the mistakes that cause real confusion.

85%DONE

Best score: 95%

Modal Master

✦ UNLOCKED

Visual progress tracking

Track every completed level, best score, and category milestone in one place.

Practice that fights back

Heal mistakes. Defeat the boss.

Active cases

Present perfect · Review due

Grammar Health +10

AI Mistake Hospital

Turn weak answers into stronger habits with focused reviews and clear explanations.

Grammar Warden

6 / 10 strikes landed

Category Boss Fights

Complete a category, face a timed 10-question battle, and earn the Boss Slayer badge.

Grammar, made visual

See the difference, not just the rule.

Compare related tenses in one familiar situation and understand precisely how each choice changes the meaning.

Grammar Lab

Put any two or three tenses into one real-life scene. Grammar Lab makes the timeline, formula, and meaning shift easy to see—and hear.

Explore Grammar Lab
One shared scene
Simple PastPast PerfectPresent Perfect

Scenario

Arriving at the station

“The train left.”
“The train had left before I arrived.”

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