People should deliver presentations confidently and cheerfully.
Presentations should be delivered confidently and cheerfully.
Someone should have told the students to speak louder during their speeches.
The students should have been told to speak louder during their speeches.
Counselors are advising married couples to communicate more openly.
Married couples are being advised by counselours to communicate more openly.
Long ago, people used smoke signals to send simple messages in China.
Long ago, smoke signals were used to send simple messages in China.
After the ceremony, the president is announcing the scholarship recipients.
After the ceremony, the scholarship recipients are being announced by the president.
Translators are going to translate the president's speech into 35 languages.
The president's speech is going to be translated into 35 languages.
The principal was making an announcement when the microphone went dead.
An announcement was being made by the principal when the microphone went dead.
The internet has changed the way the world communicates.
The way the world communicates has been changed by the Internet
