I'm so tired that I think i could sleep a year.是什么从句?

I'm so tired that I think i could sleep a year.是什么从句? I'm so tired that I can______walk. I want to sleep I\'m so tired I'm so tired.I think I ____(have) a rest. I was so tired that I could not walk any more是什么时态 I was so excited that I could hardly____.A.go to sleep B.wak I think .I'm tired . i was so tired that i could ___ walk any farther A.nearly B. I'm so tired that I have to give it I'm so tired that I will _ play I'm so tired that I want to cry i am so tired that could walk ____ any father.a.nearly.b.har