| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] [prep] | 6335 |
|
| 2 | have [be] [v-ing] [prep] | 6066 |
|
| 3 | [vb -s] [be] [v-ing] [prep] | 1410 |
|
| 4 | 's [be] [verb] [prep] | 958 |
|
