certify, testify, verify, rectify 的区别和用法辨析及示例例句

这是一组形近易混词。
certify: v.证明,声称是真的。
 ➤ He certified it was his wife's handwriting.  
他证明那是他妻子的手迹。

testify: v. (在法庭上)宣誓作证;表明。
 ➤ He is the only person who can testify in this case, because the other witnesses were killed mysteriously.  
由于其他的证人已经被神秘地杀害,他成为这件案例中唯一可以作证的人。

verify: v. (用事实)证实或核实。
 ➤ I verified the store's address by calling to check it.  
我打电话询问,以核实商店的地址。

rectify: v.改正,纠正;整顿。
 ➤ He rectified the mistake in the contract by changing its wording.  
他通过改变措辞纠正了合同里的错。