| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb base] [verb] [prep] | 3004 |
|
| 2 | [pron] [vb base] [v-ing] [prep] | 1113 |
|
| 3 | they [verb] [v-ing] [prep] | 319 |
|
