2)to+be的不定式结构,作补语的动词。 ■ acknowleage, believe. consider think declare(声称), discover, fancy(设想), feel find guess, Judge, imagine, know, prove, see(理解),show, suppose, take(以为), understand a We consider tom to be one of the best students in our class 我们认为汤姆是班上最好的学生之 Charles babbage is generally considered the first computer a. to invent B inventing C to have invented D having invented 答案:A.由 consider to do sth.排除B、D。.此句只说明发 明这一个事实,不定式后用原形即可。而C为现在完成时,发明 为点动词一般不用完成时,且此处也不强调对现在的影响,因 此不选C◼ 2) to + be 的不定式结构，作补语的动词。 ◼ acknowledge, believe, consider, think, declare(声称), discover, fancy(设想), feel find, guess, judge, imagine, know, prove, see(理解), show, suppose, take(以为), understand ◼ We consider Tom to be one of the best students in our class. 我们认为汤姆是班上最好的学生之一。 ◼ Charles Babbage is generally considered ___ the first computer. A. to invent B. inventing C. to have invented D. having invented ◼ 答案：A. 由consider to do sth. 排除B、D。. 此句只说明发 明这一个事实，不定式后用原形即可。而C为现在完成时，发明 为点动词一般不用完成时，且此处也不强调对现在的影响，因 此不选C