1-I pushed him, to make him get out of my way.
2-I talked to him, to make sure that he won't do anything stupid.
3-I lend him some money, to go home. (for him to go home)
4-They sent him to England, to learn English. (so that he would learn Englsh)
Do these sentences work with the commas?
I am assuming that the purpose clause was added as an afterthought.