| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is aim [prep] [verb] | 15 |
|
| 2 | which [is] aim at [verb] | 15 |
|
| 3 | which [is] aimed [prep] [verb] | 15 |
|
| 4 | which [is] aim [prep] [v-ing] | 15 |
|
