"Since" and "For"


como utilizar la sentencias de since y for combiadas con el presente perfecto
Mind Map by cain0980, updated more than 1 year ago
Created by cain0980 over 8 years ago

Resource summary

"Since" and "For"
  1. since
    1. if the starting point is given
      1. two o'clock
        1. I have been waiting since 4 o'clock.
        2. last Friday
          1. I haven't been on holiday since last July.
          2. 1998
            1. Fred and Frida have been learning French since 1998.
        3. For
          1. if the period of time is given
            1. twenty minutes
              1. Sue has only been waiting for 20 minutes.
              2. two days
                1. We have been living here for 2 days.
                2. one year
                  1. Tim and Tina have been learning English for six years.
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