IV. Write sentences with ;can/ could/ will be able to;, using the information about robots in the table.
Past
– (1) lift heavy things
-(2) make and serve coffee
– (3) answer the door
Now
– (4) guard the house
– (5) understand what we say
– (6) do the gardening
-(7) greet people in English
Future
-(8) take care of the house
– (9) play football
– (10) design other robots
(1)Robots could carry lift heavy things.
(2)Robots could make and serve coffee.
(3)Robots could answer the door.
(4)Robots can guard the house.
(5)Robots can understand what we say.
(6)Robots can do the gardening.
(7)Robots can greet people in English.
(8)Robots will be able to take care of the house.
(9)Robots will be able to play football.
(10)Robots will be able to design other robots.
IV
Past
(1) In the past , Robots could lift heavy things
(2)In the past , Robots could make and serve coffee
(3)In the past , Robots could answer the door
Now
(4)Robots can guard the house
(5) Robots can understand what we say
(6)Robots can do the gardening
(7)Robots can greet people in English
Future
(8) In the future , robots wil be able to take care of the house
(9) In the future , robots wil be able to play football
(10) In the future , robots wil be able to design other robots