English Grammar
Systematic English grammar learning
Noun Number
Learn singular and plural noun forms
Beginner
15 grammar.exercises
Rule:
Add -s to most nouns; add -es after s/x/ch/sh
Example:
book → books, box → boxes
book → books, box → boxes
Common Mistakes:
Irregular plurals: child → children, foot → feet
Articles
Use a/an/the correctly
Beginner
20 grammar.exercises
Rule:
Use a before consonant sounds, an before vowel sounds, and the for specific nouns
Example:
a book, an apple, the sun
a book, an apple, the sun
Common Mistakes:
Focus on pronunciation, not spelling: an hour, a university