| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | please [verb] i | 606 |
|
| 2 | please [vb base] i | 490 |
|
| 3 | please contact [pron] | 99 |
|
| 4 | [adv] contact i | 40 |
|
| 5 | please contact i | 37 |
|
