| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [adv] [been] [v-ing] [prep] | 140 |
|
| 2 | they [vb base] [been] [v-ing] [prep] | 123 |
|
| 3 | they [vb base] [adv] [been] [prep] | 29 |
|
| 4 | they [vb base] [adv] [been] [v-ing] | 24 |
|
