We can finish the work .肯定句就是原句,否定句We can not finish the work.一般疑问句Can we finish the work?再帮我I can造个句子吧，然后再加一般疑问句和肯定句否定句，谢了，待会给你追加5分I can swim. 肯定句I can swim。 一般疑问句Can you swim？否定句I can not swim。