谓语时态语态问题

Whether he is (coming) has (not been decided).

The manager with some workers (was working) during the holidays.

第一句的第一个空为什么是进行时态? 而第二个空,decide为什么得用被动呢? 第二句为什么谓语仍然用单数而不是复数?

Whether he is coming has not been decided.

终止性动词come 的进行时表将来，is coming = will come。

The manager with some workers was working during the holidays.

with 不等于 and。介词短语不是并列，而是方式状语，它对单数的主语 The manager 不产生数的影响，故谓语动词用 was working。我把介词短语调换位置，你就明白了：

The manager was working （主谓）with some workers（方式状语） during the holidays.（时间状语）

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