Exercise 36 ue the future perfect tense instead of the infinitives in brackets i hope they (build) this bridge by the end ol the year what you do by the time i come back? by the end of this year mr brown (work) for this company lor fifty ye l. they plek) all the harvest by the end ol september 5- your guests (come) by five? i think l my driving test by the end of the week and we can by go 7. he used to have black hair but now i think he (get) completely grey by s. we are trying to save some money. by the end of the year we (gain) 2010s. 9. this disease is spreading so fast. by the end of the week more than hundred people (fall). ill 10. we (pain) the whole house by the time they come back irom their holiday