Grammar, made memorable.

Plain-English explanations, honest memory tricks and quick quizzes – so the next time it comes up, you just know.

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Affect or effect? Their, there or they're? The word pairs that trip everyone up, settled once and for all.

Commas, semicolons and apostrophes – where they go, where they don't, and why.

Past, present, perfect and beyond – keep your timelines straight.

Fragments, run-ons, agreement and modifiers – build sentences that hold together.

The judgement calls: passive voice, split infinitives and the "rules" that aren't really rules.

A comma splice joins two complete sentences with only a comma. Learn to spot one in seconds and the four easy ways to fix it.

It's always means "it is" or "it has". Its (no apostrophe) shows possession. One two-second test settles every sentence.

Affect is usually a verb (to change something); effect is usually a noun (the result). Learn the rule, the two rare exceptions and a memory trick.

A quick quiz to keep your grammar sharp. Come back daily to build a streak.

Use our entries as mini-lessons and our quizzes as bell-ringers – free, no sign-up, projector-friendly.