bring buy think 过去式,变化规律： begin drink ring sing swim sit 过去式 变化规律：急!

bring buy think 过去式,变化规律： begin drink ring sing swim sit 过去式 变化规律：急!
bring buy think 过去式,变化规律： begin drink ring sing swim sit 过去式 变化规律：
急!

bring buy think 过去式,变化规律： begin drink ring sing swim sit 过去式 变化规律：急!
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buyable ]
think [θiŋk]
v. 想,考虑,想像
[ 过去式thought 过去分词thought 现在分词thinking 第三人称单数thinks ]
没有固定的规律可循

brought bought thought
began drank rang sang swam sat

brought bought thought
began drank rang sang swam sat
看出来了没

brought bought thought
这三个共同点是，过去式都是有ought；同时要注意：teach--taught