应该是 I usully do my homework on Saturday.还是 I usully does my homework on Saturday. 呢?
usully不是表示一般现在时态的吗?不是应该用行为动词的一般现在时吗?
看主语,如果主语是单三的话,就用动词的单三形式 eg: I usually have dinner at six. She/He usually has dinner at six. 比较这两个句子