| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a [noun sg] | 15529 |
|
| 2 | [not/n't] [prep] a [noun sg] | 1123 |
|
| 3 | [not/n't] [v-ing] a [noun sg] | 480 |
|
| 4 | [not/n't] [v-ing] [prep] [noun sg] | 389 |
|
| 5 | [not/n't] [v-ing] [prep] a | 225 |
|
