| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adv] [v-ing] [prep] a | 736 |
|
| 2 | be [adv] [v-ing] [prep] a | 736 |
|
| 3 | [is] [adv] [v-ing] [prep] a | 239 |
|
| 4 | 's [adv] [v-ing] [prep] [art] | 107 |
|
| 5 | 's [adv] [v-ing] [prep] [art] | 107 |
|
| 6 | 's [adv] [verb] [prep] a | 82 |
|
| 7 | 's [adv] [v-ing] [prep] a | 40 |
|
| 8 | 's [adv] [v-ing] [prep] a | 39 |
|
| 9 | 's [adv] [v-ing] [prep] a | 34 |
|
