at是介词,凡是介词后都可以接名词和名词性的成份,包括名词、动名词、代词、一般疑问句和特殊疑问句(不接不定式和陈述句),由此来看,at后可接名词,比如I arrive at home,也可接动名词,比如it depends on the success at being established and surviving,该句中介词at后接了两个动名词作宾语。
at是介词,后面接动词,动词用ing形式,如果后面接名词,名词前面需加定冠词the!
at是介词,凡是介词后都可以接名词和名词性的成份,包括名词、动名词、代词、一般疑问句和特殊疑问句(不接不定式和陈述句),由此来看,at后可接名词,比如I arrive at home,也可接动名词,比如it depends on the success at being established and surviving,该句中介词at后接了两个动名词作宾语。
at是介词,后面接动词,动词用ing形式,如果后面接名词,名词前面需加定冠词the!