combine做动词有联合;使结合;结合等意思，那么你知道combine的过去式是什么吗？
过去式： combined
过去分词： combined
现在分词： combining
combine的用法1：combine的基本意思是“联合”“合并”,主要指两个或多个东西“搅拌”“渗透”或“混合”在一起，强调已结合成一体，且被结合物已失去各自的特性。可用于物理变化，也可用于化学变化； 可用于有形物，也可用于抽象事物。combine有时也可指人或人群联合行动或组成更大的团体。本词着重强调共同的宗旨和目的。
combine的用法2：combine可用作及物动词，也可用作不及物动词。用作及物动词时，接名词或代词作宾语。
combine的用法3：combine有时也可用作名词，意为“联合集团”“联合收割机”,此时应读作['k?mbaIn] 。combine用作主语时，其谓语动词可为单数，也可为复数。
1. Combined with other compounds, they created a massive dynamite-type bomb.
将其与其他化合物结合，就制造出杀伤力极强的硝酸甘油炸弹。
2. She had the combined talents of toughness, intellect, experience and unsullied reputation.
她刚强果敢、才智超群、经验丰富，而且名声没有任何污点。
3. On its home turf, the combined bank would be unrivalled.
那家联合银行在它自己的地盘上就无可匹敌了。
4. He ordered the combined fleet to convoy troops to Naples.
他命令联合舰队将军队护送到那不勒斯。
5. Taylor combined great knowledge with an irreverent attitude to history.
泰勒知识渊博，而且并不把历史太当回事。
6. His relationship with Angie was the first which combined lust with friendship.
他和安吉的关系属第一种，即肉欲加友谊。
7. He plays the character with tremendous concentration combined with a pleasing modesty.
他表演这个角色时倾注了巨大的心血，而且非常谦虚和善。
8. Text and graphics are prepared separately and then combined.
文字和图分别编排后再进行混排。
9. They combined their holiday with a visit to their relatives.
他们既度假，又走访亲戚。
10. I'm going to Hawaii for pleasure combined with business.
我准备去夏威夷玩玩，也办点事。
11. She combined some sugar, flour and butter to make some cookies.
她把白糖 、 面粉和黄油和在一起做小甜饼。
12. We used a combined regimen of injection treatment and radiation therapy.
我们采用了针剂注射和放射治疗相结合的方法。
13. Perseverance combined with energy is necessary to success in life.
毅力加上精力是人生成功的要素。
14. If improved education is combined with other factors dramatic results can be achieved.
如果把改良的教育体系和其他的因素结合起来，会取得非常惊人的效果。
15. Strong winds and torrential rain combined to make conditions terrible for golfers in the Scottish Open.
狂风暴雨一齐袭来，致使苏格兰高尔夫球公开赛的比赛条件变得异常糟糕。