English grammar lessons
Choose a topic and practise its rules.
Each grammar lesson ends with a short quiz with answers. Lessons note where British and American English differ.
Start with these lessons

In, on and at
Time: at 7 o'clock, on Monday, in May. Place: at the door, on the table, in the kitchen. Plus when to use no preposition.
A1 to A2
Articles in English
A or an by sound. First and second mention. When to use no article. Articles with place names.
A2 to B1
Countable and uncountable nouns
Much and many, few and little, some and any. A list of nouns that have no plural in English.
A2 to B1
Build on the basics

Present perfect or past simple
Finished time or a link to now. For and since. Just, already and yet. Been or gone.
B1
English conditionals
The four "if" patterns, mixed conditionals, unless, and where the comma goes.
B1 to B2
Past perfect tense
Had + past participle for the earlier of two past events. By the time, already, reported speech and regrets.
B1 to B2
Modal verbs
Can, could, may, might, must, should and have to. Ability, permission, advice, rules and how sure you are.
A2 to B2
Gerunds and infinitives
Enjoy doing or want to do. Verbs that change meaning, like stop, remember and try. A searchable verb list.
B1 to B2
Passive voice
Be + past participle in every tense. When to use it, when to add by, and how to change active to passive.
B1 to B2
Find your starting level
Practise what you read
Read the rules and examples. Write your answers before you open the answer key. Then practise the same point again.
