warn+doing+和warn+to+do

曲念供5128was doing和doing有什么明显的语法区别吗? -
鞠解志18888351842 ______ were doing和was doing都构成过去进行时,它们的区别主要是:were doing的主语为第一人称复数、第二人称和第三人称复数;而was doing的主语是第一人称单数和第三人称单数.例如: we were doing our homework then. I was doing my homework then. you were doing our homework then. they were doing our homework then. He was doing his homework then.

曲念供5128warn sb. about sth.与warn sb. of sth.的区别.. -
鞠解志18888351842 ______ warn sb. about sth.这里sth通常是一个名词, 如:He warned us about the serious situation. warn sb. of sth. 这里sth通常是一个从句. He has been warned of danger of driving after drinking wine. sth代表driving after drinking wine.

曲念供5128英语单词warn的使用方法 -
鞠解志18888351842 ______[答案] warn sb.(not) to do sth.警告某人(不要)干某事 warn sb.about sth.提醒、警告某人注意某事 warn sb.against (doing)sth.警告某人某事

曲念供5128warn sb not to do warn sb against doing 可互换吗 -
鞠解志18888351842 ______ 一般用warn sb not to do,后面那个表达很少看到的.

曲念供5128有warn sb to do sth 这个词组吗? -
鞠解志18888351842 ______ 有的 warn sb. (not) to do sth. 提醒(警告)某人(不)做某事 有时也可以用下面的结构表达: warn sb. of sth. He has been warned of danger of driving after drinking wine. 他已被提醒过酒后开车危险. warn sb. about / against sb. / sth. 或 warn...

曲念供5128有warn sb to do sth 这个词组吗? -
鞠解志18888351842 ______[答案] 有的 warn sb.(not) to do sth.提醒(警告)某人(不)做某事 有时也可以用下面的结构表达: warn sb.of sth. He has been warned of danger of driving after drinking wine. 他已被提醒过酒后开车危险. warn sb.about / against sb./ sth.或 warn sb.against ...

曲念供5128warnsb.against(doing)sth.是什么意思??
鞠解志18888351842 ______ warn sb.against(doing)sth警告某人不要(做)某事

曲念供5128warn的用法rt. -
鞠解志18888351842 ______[答案] warn sb.(not) to do sth.警告某人(不要)干某事warn sb.about sth.提醒、警告某人注意某事warn sb.against (doing)sth.警告某人某事warned,warn.ing,warns v.tr.(及物动词) To make aware in advance of actual ...

曲念供5128was+doing 和was been doing 有什么不一样?d -
鞠解志18888351842 ______ 没有was been doing这说,应该是 has/have/had been doing,has/have been doing是现在完成时,had been doing是过去完成时.was doing 是过去进行.

曲念供5128warn sb. against (doing)sth.是什么意思?? -
鞠解志18888351842 ______ 警告某人不要做某事.