If it's in past tense and an interrogative, "You had to sit on the chair all night to enaure the baby was safe?"
But if it is a command, "You have to sit on the chair all night to ensure the baby is safe."
No it's like this You have to sit in the chair all night to ensure the baby is safe.
The correct sentence is "I put the newspaper on your chair." This indicates that you placed the newspaper on top of the chair, rather than inside it.
Will you get off my chair, please. (It's a polite request, so no question mark.)
Chair. BTW, sentance is spelt sentence
I slept on the chair for a good thirty minutes while working on the computer because I foolishly fell asleep.
i sat on a chair
The chair is a noun, whilst red is an adjective.
"I sat on the chair while tying my shoe."
My chair felt cushiony.
i had an item on my list and it was a chair
Out away that clamp Chair
Example sentence - The chair is a reproduction of an antique chair built in New York in the 1600's.