Need to check sentences with gerunds and infinitives I can not seem to grasp the rule or rules that apply in these cases. A user commented that: Gerunds are often used when action are real, fixed or completed and Infinitives are often used when actions are unreal, abstract or future. But I don't know how to apply it here. Being operated may be a traumatic experience. To be operated may be a traumatic experience. Why didn't you just send me out prowling round nightclubs? Why didn't you just send me out to prowl round nightclubs? That glut of cars in the market is not good for the business, is making us lowering the prices. That glut of cars in the market is not good for the business, is making us to low the prices. The market is teeming with that product, focusing on it is useless. The market is teeming with that product, to focus on it is useless. It’s a rip off buying a magazine, they are teemed with publicity. It’s a rip off to buy a magazine, they are teemed with publicity.

Troubles with infinitives and ing endings First of all, hello to everybody, It's my first post. Can you tell me which of this sentences is correct and why? Is suspected to have stolen the money Is suspected of having stolen the money He is endeavoring to help the Third World He is endeavoring in helping the Third World The players must train their ability in heading the ball wherever they want to put it. The players must train their ability to head the ball wherever they want to put it. They don’t stop until having spent every last penny of it. They don’t stop until they have spent every last penny of it. I seem to have some sort of confusion in this kind of sentences. Thank you.