Since and for (D)Online version Grammar by EVELYN NOHEMI BARILLAS VILLATORO 1 I've been in this city ____ three years. a since b for 2 She's worked ______ nine hours. a since b for 3 They've watched TV _______ 10:00 AM. a since b for 4 My friends haven't come to Huehue ________ a year. a for b since 5 We've been friends _______ we were children. a since b for 6 He hasn't called my dad _________ last week. a for b since Explicación 1 We use 'for' for a period of time and 'since' for a point in time. 2 We use 'for' for a period of time and 'since' for a point in time. 3 We use 'for' for a period of time and 'since' for a point in time. 4 We use 'for' for a period of time and 'since' for a point in time. 5 We use 'for' for a period of time and 'since' for a point in time. 6 We use 'for' for a period of time and 'since' for a point in time.
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