英语.i find it useful.为什么不加is换成i think 的话用加is吗?

英语.i find it useful.为什么不加is换成i think 的话用加is吗? i find it's useful to learn English.为什么可以改成i find it useful to learn English呀?请说明理由.i find it useful to learn English.这种是什么句型? I find it very useful tolearn English well 同意句I find it very useful tolearn English well 同意句______is useful_____ _______to learn English well. I find that it is useful to learn English.it是形式主语, 将“I find it is useful to learn English well转换成同义句I find --- ---- to learn English well.” i find it useful traveling along the road 用to traxel i find it useful to travel along the road 和traveling 那个对 1 I find it useful _____(learn) English well.2 This desk feels ______(smoothly). 33.---I hope will find this dictionary useful.A.Yes,it’s useful B.Certainly notC.Really?I do D.I’m sure I will 说明英语成分 You will find it useful after you leave school I hope you find these ideas useful. 将I find it is useful to learn English well.同上I find it is useful to learn English well.（改为简单句）I find _____ ______ to learn English well. 能不能把“I find my pen is useful 写为“I find my penis useful? 几道英语句型转换的题,1、She found he was very clever.She found ______ very clever.2、I find it is useful to learn English well.I find _____ ______ to learn English well.3、I was so tired that I could not walk any more.I was _____ tired _ i want a brochure to____some useful information.(find,findout) I think it useful a_____,so I will take it. I find English()useful language.We must learn it well．(在线等)A.aB an C.theD./(请说明理由)无理由不采纳 It’s useful to read aloud in the morning.改为同义句 I find▁▁uesful▁ ▁aloud in the morning.写分析..