More than 6000 languages (主语）are spoken（谓语） in the world（地点状语） today（时间状语）.English（主语） is spoken（谓语） by more than 400 million people as their first language（方式状语）.Tea...帮忙，再加分1.They can be planted at the side of the road.2.Sam wanted to know where he could travel for holiday.As he was busy searching the Internet,he became interested in how different countrids were.3.They never knew what would happen to the world in a hundred years.4.I wasn't going to speak at the meeting.1.They (主语）can be planted（谓语） at the side of the road（地点状语）.2.Sam （主语）wanted （谓语）to know（ 宾语）where he could travel for holiday（不定式动词know的宾语从句）.As he was busy searching the Internet（时间状语）,he（主语） became interested in（谓语） how different countrids were（宾语从句）.3.They（主语） never （状语）knew （谓语）what would happen to the world（宾语从句） in a hundred years（时间状语从句）.4.I （主语）wasn't going to speak （谓语）at the meeting（地点状语）.