| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [verb] [prep] | 91309 |
|
| 2 | [is] [v-ing] [prep] | 15735 |
|
| 3 | [be] looking [prep] | 5654 |
|
| 4 | [is] look [prep] | 947 |
|
