题文
填表：（（21）分）
| 原形 |
单三形式 |
现在分词 |
过去式 |
| say |
|
|
|
| |
writes |
|
|
| |
|
|
put |
| see |
|
|
|
| watch |
|
|
|
| |
does |
|
|
| |
|
singing |
|
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