Help Detective Paws complete her report on the missing cookies by dragging the correct words to the blanks.
The detective realized that all of the suspects claimed to be innocent, since nobody wanted to go to jail.
However, she found some crumbs near the window, but not enough to make a full cookie.
The victim was furious because there were no treats left in the jar; it was completely empty!
The detective realized that all of the suspects claimed to be innocent...
Because nobody wanted to go to jail, we know that 100% of the suspects claimed they were innocent. We use "all" for the entire group.
However, she found some crumbs near the window...
Since there were not enough crumbs to make a full cookie, "some" (a small, unspecified amount) fits perfectly here.
...there were no treats left in the jar; it was completely empty!
"Completely empty" means zero treats remain, so we use "no".
Determiner
- ✅ The cat sat on a mat. — articles as determiners
- ✅ My sister has three dogs. — possessive + numeral as determiners
- ❌ I went to the home. — wrong (idiomatic: I went home — no determiner)
- ❌ She is a good student. ✅ vs She is good student. ❌ — missing determiner
A determiner sits before a noun to specify which, how many, or whose. Types include articles, demonstratives, possessives, and quantifiers.
Rule: most singular countable nouns in English require a determiner — a cat, the cat, my cat, this cat. Dropping it (cat sat on mat) breaks the sentence.
Negation
- ✅ I don't see anything. — ❌ I don't see nothing. (double negative in standard English)
- ✅ She never goes out. — never already negates (no doesn't needed)
- ✅ He doesn't like coffee. — do-support for negation
- ✅ Nobody came. — negative subject (no auxiliary needed)
Negation uses not after an auxiliary/modal, or do-support when there's no auxiliary. One negative per clause in standard English — never, nobody, nothing already negate without adding not.
Rule: one negative element per clause. I don't see anything or I see nothing — never both together in standard English.
Countable and uncountable
- ✅ some advice — ❌ an advice / advices (uncountable → no article, no plural)
- ✅ a piece of furniture — ❌ a furniture / furnitures
- ✅ How much water? — ❌ How many water? (uncountable → much)
- ✅ fewer people — ❌ less people (countable plural → fewer)
English nouns are either countable (take a/an, form plurals, use many/few) or uncountable (no plural, use much/little). The choice is partly arbitrary and must be memorised.
Test: can you put a number in front? Three chairs → countable. Three furnitures ❌ → uncountable. Use a unit phrase instead: three pieces of furniture.
A2 | Elementary | Pre-intermediate
- ✅ I went to the cinema yesterday. — past simple
- ✅ I have visited Paris twice. — present perfect (life experience)
- ✅ If it rains, I'll take an umbrella. — first conditional
- ✅ You should see a doctor. — modal for advice
These patterns are A2 — the second CEFR level. At A2 you move past survival phrases into real grammar: past tenses, the present perfect, basic conditionals, and modals for advice/obligation.
Marker: if you can describe yesterday and give simple advice, but struggle with abstractions or nuance, you're at A2.
Medium
- If I were you, I would apologise. — one rule (second conditional), but distractors like was tempt you
- Answers require active thought, not instant pattern recognition
- Vocabulary and context are realistic, not artificially simplified
- Usually tests one rule, but the wrong answers are plausible
Medium marks middle-difficulty challenges: A2–B1, one rule tested, but with realistic distractors that require genuine understanding.
Use "Medium" when Easy feels too obvious but Hard feels overwhelming. This is where most productive learning happens — the sweet spot of difficulty.