(1) keep (transitive) - to make something stay in a particular condition
e.g. Kathy will keep the basket full (adjective) of candy. 將會 使籃子 保持裝滿糖果
(2) keep (intransitive) - to continue doing something
e.g. Kathy will keep filling (present participle) the basket with candy. 將會 繼續 把籃子裝滿糖果
(3) keep (transitive) - not to throw it away
e.g. Kathy is going to throw away all the stuff on the table, but she will keep the basket which is filled with candy.