英语,i don't think that i shall fail.but if( ),i would try aga
英语,i don't think that i shall fail.but if( ),i would try again. i don't think that i shall fail.but if( ),i would try again. a,should fail b,would fail c,failed d,had failed 答案给的a,不理解
should 作为情态动词,可以用于虚拟语气句中,也可以用在条件状语从句中,表示语气较强的假设,译作“万一”、“竟然”,这时也可将 should 置于从句之首,即将 should 放在主语前面,而省略从属连词 if 用在表示与将来事实相反的条件状语从句中,构成 “ If …… should (do sth)……, …… would/ could/ might (do sth.) …… ”