be underway
常用作表语，表示项目、活动等正在进行。
The negotiations are underway.
谈判正在进行中。
正在进行中；航行中的；进行中的；起步的
currently happening or in progress
多用于 be underway 结构，如 The project is underway.
正在进行中
currently in progress
The road repairs are already underway and should finish by Friday.
道路维修已经开始进行，应该会在周五前完成。
用法提示：形容词 underway 作表语，表示道路维修“正在进行中”。
By the time we arrived, the meeting was well underway.
我们到达的时候，会议已经进行了一大半。
用法提示：underway 作表语形容词，由 well 修饰，表示会议已“进行到一半”。
Plans for the summer festival are underway, and volunteers are signing up.
夏季庆祝活动的筹备工作正在进行，志愿者正在报名。
用法提示：underway 作表语，说明筹备计划“正在进行中”。
常用作表语，表示项目、活动等正在进行。
The negotiations are underway.
谈判正在进行中。
表示开始，常用于会议、仪式等活动。
The ceremony got underway at noon.
仪式在中午开始了。
表示进展顺利，已进行到相当程度。
The building work is well underway.
建筑工程进展顺利。
grammar · medium
易错句子The meeting will underway at nine.
正确表达The meeting will be underway at nine.
underway 是形容词，不能像动词那样直接跟在 will 后面作谓语。will 后要用 be + 形容词，即 will be underway，表示“将正在进行”。
grammar · medium
易错句子This is an underway project.
正确表达This is a project that is underway.
underway 是表语形容词，通常放在 be 动词之后，不用来直接修饰名词作定语；表示“正在进行中的某物”要用 that is underway 这样的定语从句。
grammar · medium
易错句子The roadworks are underway since last Monday.
正确表达The roadworks have been underway since last Monday.
since + 过去时间点表示从过去持续到现在，必须用现在完成时 have/has been，不能用一般现在时 are。
开始，启动
The festival gets underway next week.
音乐节下周开始。
已经在进行中
The clean-up is already underway.
清理工作已经在进行中。
已进行大半；进展顺利
By May the project was well underway.
到五月时，项目已经进展大半。
施工正在进行中
Construction work on the new line is underway.
新线路的施工正在进行中。
谈判正在进行中
Negotiations between the two sides are underway.
双方的谈判正在进行中。
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