so strong was his desire to follow the girl语法

此主句采用了部分倒装语法,后面肯定还有一个that引导的结果状语从句没有打全.
相关语法规定如下：so/such...that...句型中,可以把so/such...部分的主句部分倒装,that此句句序不变.
主句倒装规则如下：把含有so/such部分提前到句首,主句剩下部分再部分倒装（即把主句的be动词/助动词/情态动词提到主语前面）.
此句正常句序为：His desire to follow the girl was so strong (that.)
其中,不定式短语to follow the girl做后置定语,修饰句子主语his desire.
再如：So strong a boy was he that he could lift the stone.
= He was so strong a boy that he could lift the stone.
Such a strong boy was he that he could lift the stone.
= He was such a strong boy that he could lift the stone.
So strong was he that he could lift the stone.
= He was so strong that he could lift the stone.
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这是倒装的感叹句，完整之后应该是：How strong was his desire to follow the girl！这里的“how”有“多么”的意思，“so”代替“how”是可以的。就是一般的感叹句语法
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