| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv prt] for a while | 105 |
|
| 2 | [verb] [adv prt] for [adv] a | 29 |
|
| 3 | [verb] for [adv] a while | 20 |
|
| 4 | [adv prt] for [adv] a while | 12 |
|
