写出一下动词的-ing形式,并根据拼写规则填入正确的栏目。答:Add-ing: working, painting, doing, walking, flying, eating, cleaning, cooking, drinking, climbing, reading, sharpening, turning, dusting Double the letter at the end of the verb and-ing: shutting, swimming, running, putting, sitting.Drop the -e at the end of the verb and add...
有拿些单词后面的动词是ing形式。 求全部答:介词后面就都加ing。比如in ,on,at,for,of,be动词(is,am,are),有时候固定搭配的to也会加ing 。一些加ing的单词比如 enjoy,like,need,