| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for a [noun] | 2350 |
|
| 2 | [adv] for a [noun sg] | 2310 |
|
| 3 | [adv] for a while | 391 |
|
| 4 | [adv] [prep] a while | 342 |
|
| 5 | [adv] [prep] a while | 342 |
|
| 6 | [adv] for [art] while | 208 |
|
| 7 | [adv] for [art] while | 208 |
|
| 8 | [adv] for a while | 207 |
|
| 9 | [adv] for a while | 207 |
|
| 10 | [adv] for a while | 207 |
|
