9. What aspect of the verb has the pattern: has have + -en had 

a.simple aspect

b.perfect aspect

c.progressive aspect

d.perfect progressive

10-11. The following are Be-Verbs in past tense except____. 

a.was

b.were

c.will be

d.am

12. Alvin ________ his sister with her assignment. 

a.have helped

b.help

c.helping

d.is helping

13. The students ________ their video reading yesterday.

a.record

b.recorded

c.records

d.has recorded

nonsense answer reported​