新概念英语第二册

新概念英语第二册语法总结新概念英语第二册语法总结：将来完成时将来完成时：1．构成：shall/will have+过去分词2．功能：表示将来某时之前已经完成的动作。►.They will have been here for 5 years next Friday►.By the end of next term,the students will have finished the book.过去将来完成时：1．构成：would/should have+过去分词 2．功能：表示从过去某个时间看将来某时之前已经完成的动作。►.He said that they would have arrived by seven o'clock.将来完成进行时：1．构成：shall/will have been+现在分 2．功能：表示某一动作将继续到将来某时，且该动作此时尚未发生。►.We shall have been staying here for four weeks when Tom arrives.►.It will have been raining for a week if it does not stop tomorrow.测试精编（综合训练）1.Simple photographic lenses can't________sharp,undistorted images over a wide field.A.to form B.are formed C.forming D.form2.Of all the factors affecting agricultural yields,weather is the one________the most.A.it influences farmers B.that influences farmersC.farmers that it influencesD.why farmers influence it3.By tracking the eye of a hurricane,forecasters can determine the speed at which______.A.is a storm moving B.a storm is moving C.is moving a storm D.a moving storm4.During the flood of 1927,the Red Cross,________out of emergency headquarters in Mississippi,set up temporary shelters for the homeless.A.operates B.is operating C.has operated D.operating5.Of all the economically important plants,palms have been________.A.the least studied B.study the least C.study less and less D.to study the less6.During an eclipse of the sun,________in the shadow of the Moon.A.the Earth lies B.the Earth when lying C.that the Earth lies D.the lying Earth7.The photo periodic response of algae actually depends on the duration of darkness,___.A.the light is not on B.and not on light C.but...