A1 · Beginner
Greetings and introductions
English greetings change with the time of day. The introduction that follows them is short and regular.
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Three lessons each at A1, A2, and B1. The explanation follows the language of this page. The examples stay in English.
This lesson is free practice. It does not award a CEFR certificate.
A1 · Beginner
A1 · Beginner
be and have
be says who someone is or how they are. have says what someone possesses. Their present forms are irregular, so they have to be learned as a set.
Open lessonA1 · Beginner
a, an, and the
English articles depend on sound as well as meaning. a and an introduce one thing. the points to a particular thing.
Open lessonA2 · Elementary
A2 · Elementary
Past simple
The past simple places a finished event at a time in the past. Regular verbs add -ed. Questions and negatives use did, and the main verb stays in the base form.
Open lessonA2 · Elementary
Comparatives and superlatives
A comparative compares two things. A superlative picks one out of a group. Short adjectives and long adjectives build the forms differently.
Open lessonA2 · Elementary
Prepositions of time and place
in, on, and at do different work for clocks, days, and places. The groups are small enough to memorize.
Open lessonB1 · Intermediate
B1 · Intermediate
Present perfect
The present perfect connects a past action to now. It uses have or has plus a past participle. A finished time word such as yesterday sends the sentence back to the past simple.
Open lessonB1 · Intermediate
First and second conditional
An if clause can state a fact, a real future possibility, or a hypothetical present. The verb in the if clause is not the same in those three cases.
Open lessonB1 · Intermediate
Relative clauses
A relative clause tells you which person, thing, or place you mean. who is for people, which is for things, and that can replace either in a defining clause.
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