Harry _____ (use) a curse which freezes people.
Used
Amelia wants to use her skills to help other people.
Present simple
Past form of the word WATCH
Watched
Benedict _____ (want) to be DJ when he finishes school.
Me and Becky are watching basketball now and we cheer for our team with our whole hearts.
Present continuos
Past form of the word RUN
Ran
She can't talk now because she _____ (study).
Mary saw her teacher this weekend.
Past simple
Past form of the verb UNDERSTAND
Understood
Susan and Harriet _____ (have) busy day yesterday, but now they are free.
Had had
Before the parents went on a holiday, dad had given his children money for their free-time activities.
Past perfect
Past form of the word IS
Was and were
I _____ (attend) this school for 5 years now.
Have been attending
Simon had been smoking for 10 years, but last year he quitted this bad habit.
Past perfect continuous
Present form of the word SEEN