19. Put the verbs in brackets into the Present Simple, Present Continuous, Present Perfect or Present Perfect Continuous Tense. Dear Samantha, I... (to write) to you from San Diego. It... (to be) in the southwest of the USA. We ... (to travel) around the United States for two weeks now. We... (already to be) to New York, Washington, San Francisco and Los Angeles. These cities are magnificent! Phil ... (to take) so many wonderful photos! San Diego ... (not to be) so big as San Francisco or Los Angeles, but there ... (to be) much to see here, too. We ... (to be) here for two days, but we ... (not to visit) all the places of interest yet. Our guide ... (to take) us to different museums and exhibitions every day. We usually ... (to come) back to the hotel late in the evening, ... (to have) supper and ... (to go) to bed. The hotel we ... (to stay) at ... (to be) small, but comfortable. In two days we ... (to go) to Philadelphia and then back to New York. I ... (to look) forward to seeing you! I... (to want) to tell you so much! I... (to promise) to phone you from the airport.