Usages of dōu
他 连 午饭 都 没 吃， 因为 一直 在 开会。Tā lián wǔfàn dōu méi chī, yīnwèi yìzhí zài kāihuì.
He didn’t even eat lunch because he was in meetings the whole time.
我 和 她 一边 聊天， 一边 复习， 连 时间 都 忘记 了。Wǒ hé tā yìbiān liáotiān, yìbiān fùxí, lián shíjiān dōu wàngjì le.
She and I were chatting while reviewing and even forgot the time.
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