(could / couldn´t) for abilities in the past

can / can´t for abilities in present

READING IS THE WAY.......

PREPOSITIONS OF MOVEMENT (UP, DOWN, THROUGH, BESIDE, ALONG, OVER, UNDER, TOWARD, ACROSS, INTO, OUT)

RELATIVE CLAUSES

• RELATIVE CLAUSES : (THAT )
•  THAT + VERB
• An airplane is a machine that takes people from one place to another by air.
• A camera is a machine that takes pictures. 
• A telephone is a machine that help people communicate. 

RELATIVE CLAUSES (WHO)  FOR PEOPLE

• A composer is a person who writes songs. 
• A musician is a person who plays music.
• A prodigy is a child who can do very difficult things when they are very young. 

INVENTIONS

TALKING ABOUT FAMOUS PEOPLE

GLOBAL WARMING

EARTH´S MOVEMENTS

TOGETHER WE CAN MAKE THE DIFFERENCE