Разные варианты могут быть с разным смыслом. 1. We (have been waiting) a long time for the bus but it (has not come). 1. We (had been waiting) a long time for the bus but it (did not come). 2. That's a nice shirt. Where did (you buy) it? 3. She (sees) me but she (does not speak) to me. 3. She (sees) me but she (is not speaking) to me. 3. She (is seeing) me but she (is not speaking) to me. 3. She (is seeing) me but she (does not speak) to me. 4. (Did it rain) yesterday? No, it was a nice day. 5. That was a stupid thing to do. Why (did you do) it?
1) I'll be able to do my homework. Will I be able to do my homework? I won't be able to do my homework. 2) You'll be able to call him tomorrow. Will You be able to call him tomorrow? You won't be able to call him tomorrow. 3) He'll be able to conduct negotiations. Will he be able to conduct negotiations? He won't be able to conduct negotiations. 4) He'll be able to lern cycling. Will he able to lern cycling? He won't be able to lern cycling. 5) She'll be able to explain to teacher everything. Will she be able to explain to teacher everything? She won't be able to explain to teacher everything.
