A slideshow of life-changing inventions
The full story, plus past simple to be.
How the light bulb and the airplane were invented, plus regular verbs in the past tense.
Alexander Graham Bell, a fiction story, and irregular verbs in the past tense.
A funny video about an inventor and regular and irregular verb sort.
Braille, Trampolines, and the Glow Sheet, plus a past simple quiz.
From Penicilin to popsicles, plus past simple negative and questions.
Potato chips, ice cream cones, and practice with past simple.