现在完成时句型转换1.I have told you before.(否定句) I you before.2.I have ever been to India and Russia. (否定句) I have been to India Russia.3.Did your uncle visit England last night?(用ever作状语改写句子) your uncle to England?4.Shes learned more than 1000 words.(划线提问) words she 5.Ive worked here for ten years. (划线提问) you worked here?6.She has watched the film twice. (划线提问