Ⅵ. 名词解释(本大题共2小题, 每小题2分, 共4分)
Define the following terms with examples：
70. non-epistemic modal auxiliary
71. Define “ellipsis” with two examples.
Ⅶ. 简答题(本大题共3小题, 每小题2分, 共6分)
Answer the following questions with the help of examples：
72. List 2 situations in which simple present is used to refer to the past.
73. What kind of grammatical functions can the-ed participle perform (Give at least two kinds)
74. Provide examples to illustrate the major types of postponement.