| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it worth while [verb] | 7 |
|
| 2 | it [be] worth while [verb] | 10 |
|
| 3 | it be worth while [verb] | 10 |
|
| 4 | it is worth while [verb] | 9 |
|
| 5 | it [is] worth while [verb] | 9 |
|
| 6 | it worth [pos pn] while [verb] | 13 |
|
| 7 | it worth [pron] while [verb] | 13 |
|
| 8 | it worth their while [verb] | 8 |
|
| 9 | it worth their while [verb] | 8 |
|
