| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] [prep] | 6335 |
|
| 2 | have [be] [v-ing] [prep] | 6066 |
|
| 3 | [vb base] [be] [v-ing] [prep] | 2075 |
|
| 4 | 've [be] [verb] [prep] | 1275 |
|
