6a Match sentences 1-4 with the explanations of their uses a-d. 1 We've been here for four weeks. 2 I've met lots of interesting people. 3 I've just realised something. 4 I've made a timetable. It's on my wall. a) An action which started in the past and continues in the present b)
An action that happened at an unspecified moment in the past c)
A past action which has a result in the present
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