| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] for a | 2945 |
|
| 2 | [been] [adv prt] for | 249 |
|
| 3 | [been] for a | 96 |
|
| 4 | [been] [adv prt] a | 34 |
|
