一句话英语语法疑惑at least two conditions do need to be fulfilled:that the target not be the focus of attention,and that the mask remain present after target offset.这里的be、 remain为什么可以用原型?

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一句话英语语法疑惑at least two conditions do need to be fulfilled:that the target not be the focus of attention,and that the mask remain present after target offset.这里的be、 remain为什么可以用原型?
一句话英语语法疑惑
at least two conditions do need to be fulfilled:that the target not be the focus of attention,and that the mask remain present after target offset.这里的be、 remain为什么可以用原型?

一句话英语语法疑惑at least two conditions do need to be fulfilled:that the target not be the focus of attention,and that the mask remain present after target offset.这里的be、 remain为什么可以用原型?
2.在表示建议,要求,命令,想法的名词后的从句里,用should + 动词原形,should可以省略.如 advice,decision,agreement,command,decree,demand,determination,indication,insistence,order,preference,proposal,request,requirement,stipulation etc.
It was Bill’s suggestion that everyone (should) have a map.
His suggestion was that everyone (should) have a map.
He gave us a suggestion that everyone (should) have a map.
你句子中的that跟在condition后引导从句

虚拟语气.
在主句中含有need/require/suggest/request/demand/order等词时, 后面所接的名词性从句需要用虚拟语气的形式,即:(should)+动词原形, 其中的should 可以省略.

一句话英语语法疑惑at least two conditions do need to be fulfilled:that the target not be the focus of attention,and that the mask remain present after target offset.这里的be、 remain为什么可以用原型? at least at least 菜鸟求教英语语法--at least在句中的用法和词义the company would reduce production at least through September because of a power shortage.这句话中at least的用法和词义是什么英语翻译at least news at least的同义词 at least 同义词 at least又是什么意思 at least意思 At least等于什么 At least you have at least怎么造句? at least的用法 at least wel at least 什么意思? at least that At last at least 造句 least、at least、least of all的区别,