I want to open the door, but it _____ open.

I still remember my happy childhood when my mother ______ take me to Disneyland at weekends.

— _ I use your eraser, Rose?— Sure. Here you are.

It doesn’t often snow in my hometown in winter, but it ___be rather cold sometimes. 

--- Must I hand in my report now? --- No, you ________. You still have some time.