Help 1.Fill the gaps with the correct form of the verb.
1) The number of people working in building construction (go down). 2) The manufacture of these structures (grow) over several decades. 3) I am sure they (offer) him a new job next week.

2. Complete the following sentences. Use the passive form (Simple, Continuous or Perfect) of the verbs in the brackets.
1) The work (execute) in team now. 2) The first buildings (construct) by hand or with simple tools. 3) By 1993, 1.5 million council houses ¬¬¬¬¬¬¬¬¬¬(sell) in Great Britain.

3. Use the Gerund of the verbs in brackets.
1) The government created companies that employed people in (to build) dams and roads, houses and perks. 2) We knew nothing about his (to have been sent) to New York. 3) There is a big difference between (build) a house and (design) a computer system.

4. Complete the following sentences with “that” or “those”.
1) Building design professionals include ___ licenses by the state. 2) The price of gold is higher than ___ of silver. 3) The fax ___ arrived in the morning is in your file.

5. Put the sentences in the past.
1) I am sure that trusses may be made of wood, metal, or reinforced concrete. 2) He doesn’t know that concrete is generally reinforces using steel rods or bars. 3) He says there are few specialist builders in early times.