不跟动词不定式(短语)作宾语;但about,besides,but,except,save,than等介词后有时可跟不定式(短语)作宾语.现举例说明如下:1.aboutabout主要与be,seem,appear等连用,后面作宾语的不定式(短语)一般要带to.如:Joan was about to go to bed,when David calledhe