9.3 we have been waiting for the bus; have been learning Spanish; mary has been working in London; our friends have been spending their holidays in Italy. 9.4 I have been looking; are you looking; she has been teaching; i have been thinking; he is working; she has been working
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9.3 we have been waiting for the bus; have been learning Spanish; mary has been working in London; our friends have been spending their holidays in Italy. 9.4 I have been looking; are you looking; she has been teaching; i have been thinking; he is working; she has been working