Англ. Task 3. Put the verbs in brackets into the -ing form or the Infinitive. 1 This procedure involves (test) each sample twice. 2 They promise (demonstrate) the new equipment. 3 There is no point in (test). it's evident that we must (look) for new ideas. 4 You must (improve) working conditions, as employees with a positive attitude usually enjoy the work that they do and feel empowered and recognized for their contributions. 5 We were made (enlarge) out production, as the factory received a number of urgent orders. 6 They are used to (work) shifts, for many of them it is even more convenient.​