delay 的用法及固定搭配

delay

1.delay（动词）后面接动名词比接不定式普通，如I have to delay answering his letter比I have to delay to answer his letter普通。

2.delay（名词）后面接in和动名词，不接不定式或of和动名词，如Excuse me for my delay in answering your letter里的in answering不可改作to answer或of answering。