you don't have to ask me, yes they are natural ;)

Would you ask me to co-train with you?

Would you ask me to be always braless?

Would you ask me to co-train with you?

Would you ask me to co-train with you?

I need a train going , gang blow

When u ask me for a nice meal

Would you ask me to co-train with you?

Would you ask me to co-train with you?

Would you ask me to co-train with you?

Would you ask me to co-train with you?

Would you ask me to co-train with you?