1、require sth 需要，依靠。These pets require a lot of care and attention.這些寵物需要悉心照顧。2、require *** to do sth 要求某人做某事。At the beginning of the new term, all students will be required to take a short test.在新學(xué)期的開始，所有學(xué)生都要參加一次小測試。3、require doing sth 需要做某事。This book is required reading for this course.這本書是這本課程的指定讀物。4、require that + 從句 需要，要求。在require引導(dǎo)的賓語從句中，謂語動(dòng)詞用“should +動(dòng)詞原形”，should可省略。The situation required that he (should) be present.這種情形需要他在場。