Jeffery said he          to the get-together the next day, but he didn’t．

Helen ______ go on the trip with us, but she isn’t quite sure yet. 

 One of our rules is that every student    wear school uniform while at school.

No student _________ go out of the school campus after ten o’clock at night without permission, according to the school regulations.

It’s quite impossible that it will rain tomorrow. But if it _______, I would still go to the park.