maintain的過去式是什么
英語里面，很多動詞的過去式都是在后面直接加ed，maintain的過去式也是在后面直接加ed。下面是學(xué)習(xí)啦小編為你整理的maintain的過去式的相關(guān)資料，希望大家喜歡!
maintain的過去式
過去式： maintained
maintain的過去式maintained例句
1. They have maintained their optimism in the face of desolating subjugation.
面對遭征服的悲慘命運，他們保持了樂觀的態(tài)度。
2. He maintained an ambivalent attitude to the Church throughout his long life.
在他漫長的一生中，他對____信仰始終是一種搖擺不定的態(tài)度。
3. The married women of Shitamachi maintained the custom of blackening their teeth.
下町的已婚女性還保留著把牙齒涂黑的習(xí)俗。
4. He had maintained a rigid diet, shedding some twenty pounds.
他嚴(yán)格地堅持節(jié)食，減了差不多20磅。
5. He has maintained that the money was donated for international purposes.
他堅稱這筆捐款將用于國際用途。
6. Fourthly, the natural enthusiasm of the student teachers should be maintained.
第四點，實習(xí)教師本來的熱情應(yīng)該得到保持。
7. Crowley maintained a stream of invective and abuse against Waite.
克勞利連珠炮似的對韋特罵個不停。
8. Mr Matthews maintained that he had done nothing improper.
馬修斯先生堅稱他沒有做過非法的事情。
9. Control of materials could be maintained by locking up bombs.
把炸彈鎖起妥藏可實現(xiàn)對物資的控制。
10. The cars are getting older and less well-maintained.
車越來越舊，保養(yǎng)得也越來越差。
maintain的常見用法
vt.保持; 保養(yǎng); 堅持; 固執(zhí)己見
1. In New Zealand, the Maori people maintain a strong cultural tradition.
在新西蘭，毛利人保持著深厚的文化傳統(tǒng)。
2. The government was right to maintain interest rates at a high level.
政府維持高利率的做法是正確的。
3. The psychiatrist must learn to maintain an unusual degree of objectivity.
精神科醫(yī)生務(wù)必要學(xué)會保持超乎尋常的客觀態(tài)度。
4. She could not maintain her balance and moved in a wobbly fashion.
她無法保持平衡，走路顫顫巍巍。
5. His critics maintain that he's responsible for many of Algeria's ills.
他的批評者們堅持認(rèn)為他應(yīng)該為阿爾及利亞所面臨的許多難題負(fù)責(zé)任。
6. Few people nowadays are able to maintain friendships into adulthood.
如今很少有人能將友誼維持到成年。
7. The pilot throttles back slightly to maintain level flight.
飛行員稍稍減速，以保持水平飛行。
8. The authorities have said they will attempt to maintain essential services.
當(dāng)局已表示他們將努力維持公共基礎(chǔ)服務(wù)。
9. The situation in the capital forced them to maintain military preparedness.
首都的形勢迫使他們時刻做好軍事準(zhǔn)備。
10. He has the power to use force to maintain public order.
他掌握著動用武力維持公共治安的權(quán)力。
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