| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv prt] for a while | 105 |
|
| 2 | [verb] it [adv prt] for a | 58 |
|
| 3 | [verb] it for a while | 39 |
|
| 4 | it [adv prt] for a while | 6 |
|
