1 he used to water the flowers.
2 he often watered the flowers.
3 he often waters the flowers.
4 he is watering the flowers.
5 he was watering the flowers at your o'clock yesterday.
6 he will water the flowers tomorrow.
7 he has already watered the flowers.
8 he will tell
9 he used to tell.
10 he was telling at 7 o'clock yesterday.
11 he told in his childhood.
12 he has already told .
13 he often tells.
14 he is telling now.