Sentences

Could you correct the following sentences?

- Grandmothers can be very tiresome sometimes.
- I might possibly get a promotion if Catherine leaves. I should have gotten more qualifications to feel more confident.
- Even if you lost some clases you shouldn’t have problems to catch up with them.
- I think there is a stong likelihood of him getting his medicine degree.
- Don’t worry about him falling behind in class because of his absence. He is bond to improve his skills if he works hard.
- My mother abandoned us two years ago. You can’t have seen her. I don’t think that she is stupid enough to come back.
- She really worked hard seducing him, and right now you sould say that she made a go of the marriage.
- When they started their little business they made a go of the store within half a year.
- Carrie had other plans and decided to set up a beauty salon.
- After having the children kidnapped for over a year, she went a step further, and she slowly started to poison them.
- The ghost of the children are still around. I can feel them.
- Since he is the eldest son of John he has a say when it comes to selling the lands that surround the mansion.
- She thought that she should go about things in a different way. That’s how she begun to act in a very cold manner.
- I can’t put more money into this business or i won’t have anything left to eat.