| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv prt] for a | 520 |
|
| 2 | [been] [adv prt] for a | 79 |
|
| 3 | [vb past] [been] [adv prt] for | 31 |
|
| 4 | [vb past] [been] for a | 24 |
|
