future past tense
question
1.streets are going to have been flooded...
2.students will have been ready for science and math tests...
3.seeds will have turned into trees...
4.hary will have treated us to movie...
5.my grandmother will have been ninety years old...

choose the letter that completes the thought in each sentence
a... when he comes home early tonight.
b...by the time all lesson are covered.
c...by the time the rain stops.
d...by her next birthday.