| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] [prep] [art] | 128514 |
|
| 2 | [v-ing] a [noun sg] [prep] | 20141 |
|
| 3 | [v-ing] [noun sg] [prep] [art] | 10145 |
|
| 4 | [v-ing] a [noun sg] [art] | 178 |
|
