Fill in the Blanks For & Since Activity.Online version Complete the sentences using for & since. by Gloria Díaz 1 since since since since for for for since for since 1 . We have learnt Spanish here 2002 . 2 . I have loved you the first time I saw you . 3 . I have been studying mathematics the morning . 4 . George has worked in this company 1990 . 5 . The socialist party has been in power a long time . 6 . This terrorist has been in prison 2000 . 7 . My mother has been travelling 3 years now . 8 . We have been married I was 18 . 9 . The socialist party has been in power 6 months . 10 . What weather ! It has been snowing two days .