| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv prt] [prep] a [noun] | 1405 |
|
| 2 | [v-ing] [adv prt] [prep] a [noun sg] | 1348 |
|
| 3 | [verb] [adv prt] [prep] a while | 117 |
|
| 4 | [v-ing] [adv] [prep] a while | 37 |
|
| 5 | [v-ing] [adv prt] [prep] a while | 24 |
|
| 6 | [v-ing] [adv prt] [prep] [art] while | 24 |
|
| 7 | [v-ing] [adv prt] [prep] a while | 24 |
|
| 8 | [v-ing] [adv prt] [prep] [art] while | 24 |
|
| 9 | [v-ing] [adv prt] [prep] a while | 24 |
|
