More than 6000 languages (主語）are spoken（謂語） in the world（地點狀語） today（時間狀語）.English（主語） is spoken（謂語） by more than 400 million people as their first language（方式狀語）.Tea...幫忙，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 (主語）can be planted（謂語） at the side of the road（地點狀語）.2.Sam （主語）wanted （謂語）to know（ 賓語）where he could travel for holiday（不定式動詞know的賓語從句）.As he was busy searching the Internet（時間狀語）,he（主語） became interested in（謂語） how different countrids were（賓語從句）.3.They（主語） never （狀語）knew （謂語）what would happen to the world（賓語從句） in a hundred years（時間狀語從句）.4.I （主語）wasn't going to speak （謂語）at the meeting（地點狀語）.