Past, present, and future tense
Notice how verbs change to show when something happened: before, now, or later.
Lessons in this topic
Start with a short lesson and build confidence with one concept at a time.
Subject and predicate basics
Every sentence has a subject (who or what) and a predicate (what they do or are).
Articles: a, an, the
Learn when to use a, an, and the in simple sentences.
Simple, compound, and complex sentences
See how sentences can be short and simple, joined with a connector, or linked with a reason or time clue.
Synonyms and antonyms
Learn that some words mean the same thing (synonyms) and some mean the opposite (antonyms).
Prepositions of place and time
Use in, on, at, under, behind, before, and after correctly in sentences.