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Relative clauses: keep it or drop it?
Practise when you can leave out who, that or which. Choose an answer and check the explanation.
Start the exercise →A2 · Elementary
Irregular Verbs
Start with verbs that stay the same. Then compare two accepted past forms and a changing-vowel pattern. Each lesson leads to another verb family.
- 1. Cut, Put and Hit
See which verbs keep the same form.
- 2. Dreamed or Dreamt?
Compare two accepted past forms.
- 3. Drink, Drank, Drunk
Compare verbs whose vowels change.
A2 · Elementary
Plurals
Start with the ordinary -s and -es patterns. Then compare words that stay the same with words that change completely.
- 1. Regular and Irregular Plurals
Learn when to add an ending.
- 2. One Sheep, Two Sheep
See when the singular and plural look the same.
- 3. Child, Children; Foot, Feet
Practise nouns that change their form.
B1 · Intermediate
Confusing Words
Choose the meaning you want before choosing the spelling. Start with these three useful comparisons.
- 1. Accept or Except
Compare receiving with leaving something out.
- 2. Desert or Dessert
Keep a dry landscape separate from a sweet course.
- 3. Illicit or Elicit
Compare something forbidden with drawing out a response.
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