知识点 1/3阶段 3：句子扩展
what 从句做宾语
一个问题想法可以变成句子的宾语。
结构
I know/don't know + what + subject + verb
观察
- 识别动作：what 从句做宾语
- 检查形式：I know/don't know + what + subject + verb
- 检查意思：一个问题想法可以变成句子的宾语。
例句拆解
“I don't know what this means.”
有用结构：I know/don't know + what + subject + verb
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