so that和in order that后面跟从句.从句中的谓语动词通常与will/would,can/could,shall/should,may/might连用：
He left the letter on the table in order that l might see it.
他把信留在桌子上,以便我能看见.
1.上句可以改成:He left the letter on the table in order that l may see it.
2.will/would,can/could,shall/should,may/might之间有区别吗?例如：would,could,should,might,