| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [adv prt] for a | 19 |
|
| 2 | [vb base] [been] around for a | 11 |
|
| 3 | 've [been] [adv prt] for a | 10 |
|
| 4 | have [been] [adv prt] for a | 9 |
|
