| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] he [prep] a | 322 |
|
| 2 | at he [prep] a | 182 |
|
| 3 | [v-ing] at he [prep] | 168 |
|
| 4 | [v-ing] at [prep] a | 7 |
|
