be going to do doРbe to doРbe to be doneРbe to be doingР181. there be A and B, 谓动与A保持一致Р182. either A….or B…/ neither… nor…/not only…but also…/not…but…/not/or/, 谓动与B保持一致Р183. neither做主语,谓动用单数;no+n.,谓动与n.保持一致Р184. one out of/one in + 复名做主,谓动用单数Р185. a number of/an average of +复名,谓动用复数;the number of/the average of+复名,谓动用单数Р186. each of+复名,谓动用单数;复名+each, 谓动用复数Р187. descend ….from/ descendant ofР188. be able to do, 做表语,不做定语Р189. a, with b/a, together with b/a ,along with b/a, including b/a ,as well as b/ a besides b/a except b/a, no less than b/a, more than b, 谓动与A 保持一致。Р190.引导状语从句表转折,when仅用于句首,但while/whereas可放在句首/句末Р191. 不定式/-ING做主语,谓动用单数;A,插入语,VERB,VERB与A数保持一致Р192. a body of/a collection of/a group of/ a set of/ a series of/ a portion of/an array of+复名,谓动用单数Р193. 数词+单位词复数+OF+物质名词/不可数名词,谓动用复数