| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [is] [vb pp] at [v-ing] [art] | 6 |
|
| 2 | which [is] aimed at [v-ing] [art] | 6 |
|
| 3 | which is [vb pp] at [v-ing] [art] | 6 |
|
