英语老师就要走了,我想给老师写张明信片,想用英文的你们说怎么写呢.

Dear teasher,
i am writing to express my love to you .as you know ,my english isn't very good but i still want to express my love to you in my poor english .i think this is the best way for me to respect you before you leave .at this time time i have no word in my mind,i don't know what i should say or do to you .my dear teacher ,i sincerity wishes you can happy every day even if without us.i will miss you for ever.
你可以根据自己的实际在修改一下