21 Put the verbs in brackets into the past simple, past continuous, present perfect simple, present simple or present continuous. When my grandfather 1) ...was... (be) a young boy, he 2) ........................ (like) watching the ships in the harbour of the town where he 3) .......... (live). A few years later, he 4).. ............. (look) for a job when he 5) .............................. (find) one on one of the ships in the harbour and he 6) ............ (become) a sailor. My grandfather 7) .............. .............. (just/retire) and he 8) ............. (enjoy) his free time. Now, he 9) ............. ............. (work) in his garden and he 10) ...................... (do) all the things he couldn't do when he 11) ........................... (work).