Passive form
1/They speak english all over the world
2/Lan buys these new books
3/We recycle old car tires to make shoes and sandals
4/He cleans the rooms
5/Bob writes that letter
6/Mary waters the flowers yesterday
7/My classmate doesn't know my new house
8/Nga doesn't understand the questions well
9/The Pikes don't spend the vacationin the mountai this year
10/Nobody shows him the best way to do it
1/They speak english all over the world
=>english is spoken all over the world
2/Lan buys these new books
=>these new books are bought by Lan
3/We recycle old car tires to make shoes and sandals
=> old car tires are recycled to make shoes and sandals by us
4/He cleans the rooms
=>the rooms are cleaned by him
5/Bob writes that letter
=> that letter is written by Bob
6/Mary watered the flowers yesterday
=> the flowers were watered by Mary yesterday
7/My classmate doesn't know my new house
=> my new house isn't known by /My classmate
8/Nga doesn't understand the questions well
=> the questions aren't understood well by Nga
9/The Pikes don't spend the vacationin the mountai this year
=>the vacation isn't spent in the mountain by the pikes this year
10/Nobody shows him the best way to do it
=>He isn't shown the best way to do it
1/They speak english all over the world
=>english is spoken all over the world
2/Lan buys these new books
=>these new books are bought by Lan
3/We recycle old car tires to make shoes and sandals
=> old car tires are recycled to make shoes and sandals by us
4/He cleans the rooms
=>the rooms are cleaned by him
5/Bob writes that letter
=> that letter is written by Bob
6/Mary watered the flowers yesterday
=> the flowers were watered by Mary yesterday
7/My classmate doesn't know my new house
=> my new house isn't known by /My classmate
8/Nga doesn't understand the questions well
=> the questions aren't understood well by Nga
9/The Pikes don't spend the vacationin the mountai this year
=>the vacation isn't spent in the mountain by the pikes this year
10/Nobody shows him the best way to do it
=>He isn't shown the best way to do it