Introduction to Irregular Verbs | Parts of Speech | Grammar | Khan Academy
2016|United Kingdom
English
0Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: Words like "walk" and "look...
Home›
Introduction to Irregular Verbs | Parts of Speech | Grammar | Khan Academy
02016|United Kingdom
English
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: Words like "walk" and "look" are regular verbs – they behave in a predictable way. But there's a whole clas...
