bring buy think 过去式,变化规律： begin drink ring sing swim sit 过去式 变化规律：急!
问题描述：
bring buy think 过去式,变化规律： begin drink ring sing swim sit 过去式 变化规律：
急!
答
brought bought thought
这三个共同点是，过去式都是有ought；同时要注意：teach--taught
答
brought bought thought
began drank rang sang swam sat
看出来了没
答
bring [briŋ] v. 带来[ 过去式brought 过去分词brought 现在分词bringing 第三人称单数brings 名词bringer buy [bai] n. 购买,买卖v. 买[ 过去式bought 过去分词bought 现在分词buying 第三人称单数buys 形容词...
答
brought bought thought
began drank rang sang swam sat