Change the verbs in the bracket into a past tense form1. We ( do ) . . . the test yesterday
2. Shella ( wash ) . . . her shoes yesterday morning
3. Rio ( get ) . . . a headache because he worked full time the day before yesterday
Mrs. Salamah ( explain ) . . . the subject to the student clearly
( + )
( - )
( ? )​

1. +We did the test yesterday
- We didn’t do the test yesterday
? Did we do the test yesterday ?
2. Shella washed her shoes yesterday morning
Shella did not wash her shoes yesterday morning
Did Shella wash her shoes yesterday ?
3. Rio got a headache because he worked full time the day before yesterday
Rio did not get a headache because he worked full time the day before yesterday
Did rio get a headache because he worked full time the day before yesterday ?
Mrs. Salamah explained the subject to the student clearly
Mrs. Salamah didn’t explain the subject to the student clearly
Did Mrs . Salamah explain the subject to the student clearly ?