| Chapter 4. 조동사|
23. 조동사 have p.p.
현재시점에서 과거의 내용을 추론하는 표현으로, 개연적인 경우 may(will) have+p.p.
필연적인 경우 must(can't) have+p.p.를 쓴다.
should have + p.p 는 과거사실에 대한 후회, 유감을 뜻한다.
․ Because of your being late, we have no choice but to give it up. You should [send / have sent] me that file earlier.
․ Mary is a very spoilt child. She [should have been / must have been] raised so by her step-parents.
․ The ministry of Agriculture and Forestry cautioned that about 500 chickens from the Ulsan farm [have been / had been] already sold to restaurants nearby and raised the possibility that consumers [may eat / may have eaten] disease-infected chicken.