What does this sign express: Obligation or permission?
Obligation (you have to stop)
What does this sign express: Obligation, prohibition, or permission?
Obligation (you have to slow down)
What does this sign express: Obligation, prohibition, or permission?
Obligation (you have to go this way / you can't go the opposite way)
What does this sign express: Obligation, prohibition, or permission?
Prohibition (you can't enter this way)
What does this sign express: Obligation, prohibition, or permission?
Permission (you can press this button for attention)
What does this sign express: Obligation, prohibition, or permission?
Prohibition (you can't cross the road)
What does this sign express: Obligation, prohibition, or permission?
Prohibition (you can't go faster than 40 mph) or Obligation (you have to go slower than 40 mph)
What does this sign express: Obligation, prohibition, or permission?
Permission (you can cross the road)
What does this sign express: Obligation, prohibition, or permission?
Prohibition (you can't park here)
What does this sign express: Obligation, prohibition, or permission?
Prohibition (you can't park near this sign)
What does this sign express: Obligation, prohibition, or permission?
Permission (you can come in)
Complete the sentence: "You ____________ climb up the volcano today; there's smoke near the top."
can’t
Complete the sentence: "The door isn't locked, so you ________ come in any time you want."
can / may
Complete the sentence: "If you want to work at a construction site, you ___________ wear a hat and gloves."
have to
Complete the sentence: "You __________ get water from that tap. It's not safe to drink!"
can't
Complete the sentence: "You ________ pay attention and take good notes in class so you can get a better grade."
have to
