FOR (= duration) I've been here for two hours three months a year,... SINCE (= point of time) I've been here since two o'clock 1992 Christmas I met you HOW LONG...? : to ask about the duration How long have you been in London? EVER / NEVER: to talk about personal experiences Have you ever seen a whale? This is the best car I've ever bought.
THE (FIRST) TIME, THE ONLY TIME...
This is the second time he has won the pools.
*HAVE BEEN TO / HAVE GONE TO
"Where is George? I think he has gone to France. He has been to England, to Holland and to Germany. He has travelled a lot recently.”
UNIT 3. PRESENT PERFECT OR PAST SIMPLE?
PRESENT PERFECT 1. Experiences in an undetermined time in the past. "I have studied French."
USE
2. Actions that began in the past and continue in the present. "I have lived here for two years." "We have talked for two hours." TODAY FOR / SINCE THIS WEEK / MONTH... TIME HOW LONG...? EXPRESSIONS EVER / NEVER ALREADY / JUST / YET etc.
PAST SIMPLE 1. Actions in a determined, specific time in the past. " Last Wednesday, Wednesday, I went to my French class." 2. Actions that began and finished in the past. "I lived there for two years." "We talked for two hours." YESTERDAY AGO LAST WEEK / MONTH... WHEN ON (Monday) / IN (1992) etc.