Grammar Diagnostic — A1 Level

Traffic Lights Game: Spot correct sentences and grammar errors

How This Works

Read each sentence carefully. Tap Green (Correct) if the sentence is grammatically correct, or tap Red (Has an Error) if it contains a grammar mistake.

Get instant feedback on every answer, then review all the grammar rules at the end.

Quick Warm-Up

"I am 25 years old."

Correct! In English, we use "be" (am/is/are) for age, not "have".

"She have a big garden."

Error! Correct: "She has a big garden." With he/she/it, we use "has" (not "have").

"They goes to school by bus."

Error! Correct: "They go to school by bus." With plural subjects, we use the base form of the verb.

Ready? Let's play the Traffic Lights game.

Traffic Lights Game

You'll see 12 sentences. For each one, choose Green or Red. Your score updates in real time.

0 / 12 correct

Review Your Answers

Below are all the sentences with errors. Click to see the corrections and explanations.

Your Grammar Profile

Here's what we found. Focus on the categories where you need practice using the lesson links below.