| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [v-ing] for [num] | 45 |
|
| 2 | [vb base] been [v-ing] [adv prt] for | 43 |
|
| 3 | been [v-ing] [adv prt] for [num] | 21 |
|
| 4 | [vb base] been [adv prt] for [num] | 9 |
|
