LANGUAGE FOCUS could, can, will be able to can talk about ability and possibility. Complete the sentences from the text. Then answer the questions. Past 1 Film producers. Present include songs. 2 They. create very realistic special effects. Future 3 We'll. feel the character's emotions. 1 Does can express ability or possibility? 2 What are the negative forms of sentences 1-3? 3 Do can, could and will be able to stay the same with all persons?