I want you buying something vs I want to you buy something

Some examples from the web:

• Grandmother wouldn't feel great about you buying something that's tens of thousands of dollars.
• I want you to be my fidai.
• l don't want you buying me anything.
• I don't need any clothes and I don't want you buying them for me.
• I want you to spread the fame of my name through every land. I want you to give me power. I want you to make me famous.
• I want you to take the baby, and I want you to leave this house, and I want you to never come back.
• I want you to find him again, I want you to stay with him until he finishes his work, and then I want you to bring the answers to me.
• I want you to go down to Jackson farm. I want you look for a red pickup truck.
• I want you - I want you to leave her.
• Ronnie, I want you to take that back to whoever's on the hunt... and I want you to tell them they've got no quarrel with me.
• So I want you to get out there and I want you to search every street.
• Okay, I want you to get in that bathroom and I want you to lock the door.
• First, I want you to inform the A.D.A. that nothing was stolen from your company, and then I want you to hire Ms. Colby to supervise production of rainbow polish.
• I want you to read this and I want you to enunciate... every word just as if the marbles were not in your mouth.
• And this Friday, I want you to pull out a really good bottle of wine, and I want you to toast these two people.
• I want you to go and bully a few traumatised bystanders, and then I want you to come up with some spin to just smooth all this away.
• I want you to get out there, Sammy. I want you to grab that guy ASAP.
• Also, I want you to contact INS. I want a list of every recent immigrant from an Islamic country.
• I want you to be enthusiastic about whatever I want to do.
• I want the current ten-year yield, I want an update on the figures for nonfarm payrolls, and I want you to get your scrawny little backside out of my chair.

Some examples from the web:

• I want you to buy something you always wanted.
• I want to buy you something - 'cause you met your hero.
• I want you to buy her something good to eat.
• I'll give this back to you guys, but I want you to buy something.
• And we'll go and have breakfast and... ...I want to buy you something.
• I want to buy something else.
• You know, I want to buy something.
• I didn't want to buy something meaningless.
• I just want to buy something of that role.
• Thank you, look, there's somebody who may want to buy something, I'll be back in one minute.
• So you want to buy something like this?
• Tell your boyfriend he can talk to me if he wants to buy something.
• If you want to buy something, you have to pay money.
• Cesche told me you want to buy something.
• Whenever you tell me you have good money coming in, it's because you want to buy something.
• After Dallas, your fans are going to want to buy something.
• For the producers, if a buyer wants to buy something produced a certain way, that's what brings them to the table.
• Do you want to buy something, Miss Diana?
• Wait - so why would you want to buy something that caused you so much pain?
• But when he sees her, the father, he wants to buy her something.