There are 2 different types of verbs: regular and irregular. Regular verbs form their past tense by adding "ed", while irregular verbs have distinctive past tense forms that should be memorized. 本科阶段部分学校还有副学士学位（affiliate diploma），这是比diploma高半级比bachelor degree低半级的学位。 加拿大（魁北克省�?中华人民共和国教育部与加拿大魁北克省政府关于相互承认学历、学位和文凭的... https://charlesr530dhk2.blogvivi.com/profile