Ii. use modal verbs “have to”, “be able to” in the appropriate tense forms. 1. in five years’ time we (be able to) have high-definition video conference. 2. i (not/ be able to) reach him all morning. he must be in a meeting. 3. mr. rundaf is a very busy person but i am delighted to say that we (be able to) find an evening when he was free. 4. the very first thing we (have to) last year was to reduce overheads in this business. 5. i (have to) give a lot of thoughts recently to my business.