The key to exercise solutions in chapter 3b - Grammar for the textbook Spark 4 - Student's Book with authors Virginia Evans, Jenny Dooley from Express Publishing
Question
Read the theory. Put the verbs in brackets into the correct tense.
Answer
He won't have finished until 5 o'clock.
This time next Friday we will be flying to Ankara.
This time next week we will be skiing in Gdansk, Poland.
Jenny will have graduated from university by May.
He will be sailing round the islands this time next week.
By December, she will have been here for ten years.
I won't have finished cooking by the time our guests arrive.