Use the correct tense-forms of the verbs 1.our engineer (to be) in the office now.he (to speak) on the phone with the manager 2.when you usually(to visit) your relatives in the country? 3.our company (to be interesed) in buying new equpment from your company/ 4.last week our representatives (to visit) the exhibition of electronic devices. 5.how long you (to be) london? 6.next month our friend (to fly) for a holiday to spain?

Our engineer is in the office now . He is speaking on the phone with the manager.
When do you usually visit your relatives in the country?
Our company is interested in buying new equipment from your company.
Last week our representative visited the exhibition of Electronic Devices.
How long have you been to London?
Will our friend fly for a holiday to Spain?