All the students understand the lesson
The lesson is understood by all the students
Students have to bring many projects to class
Many projects have to be brought to class (by students)
someone will invent time travel in the future
Time travel will be invented (by someone) in the future
Facebook makes millions of dollars each day
Millions of dollars are made each day (by Facebook)
Marie Curie discovered radium in 1898
Radium was discovered (by Marie Curie) in 1898
Some scientists won't clone animals because of moral reasons
Animals won't be cloned (by some scientists) because of moral reasons
Someone is cutting my hair tomorrow (causative)
I'm getting my hair cut tomorrow
The celebrity can't post that picture
That picture can't be posted (by the celebrity)
Some people think that Benjamin Franklin discovered electricity
Some people think that electricity was discovered by Benjamin Franklin
Someone is following them!
They are being followed (by someone)!
Martin Cooper invented the first mobile phone in 1973
The first mobile phone was invented (by Martin Cooper) in 1973
Scientifics are discovering many planets
Many planets are being discovered (by scientists)
Someone repaired my car yesterday (causative)
I had/got my car repaired yesterday
They forbade cellphones during class
Cellphones were forbidden during class
An unknown person invented books a long time ago
Books were invented (by an unknown person) a long time ago
A team is breaking the rules
The rules are being broken by one team
The dentist checks my teeth every year (causative)
I have my teeth checked every year (by the dentist)
Someone's going to steal that picture
That picture is going to be stolen (by someone)
In the future, teachers will give classes online
In the future, classes will be given online (by teachers)
The Police arrest many criminals everyday
Many criminals are arrested (by the Police) everyday
People have used stars for navigation for many centuries
Stars have been used for navigation for many centuries
Apple should design iPhones in Spain
iPhones should be designed in Spain
Someone will do my nails next week (causative)
I will get/have my nails done next week
Fernando Alonso is going to win the next race
The next race is going to be won by Fernando Alonso