(a)一般现在时
(b)will+不带to的不定式
(c)现在进行时
(d)be going to结构
(e)一般将来时will/shall+动词原形
(f)将来进行时
(g)将来完成时
(h)将来完成进行时
关于be+不定式用于表示将来的计划,参见第114节。
关于be about+不定式和be on the point of+动名词表示将来,参见第144节C。
注意:大多数助动词都放在第十一章至第十六章中讲述,但will+动词原形是将来时不可缺少的部分,所以把它放到这里讲。把它和一般将来时分开来讲述看似奇怪,但是从逻辑上看,把它放在现在进行时和 be going to形式之前似乎是最适当的。
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