| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [adv prt] for [adj] | 70 |
|
| 2 | [been] [adv prt] for [det] | 38 |
|
| 3 | [been] [adv] for several | 11 |
|
| 4 | [been] [adv prt] [prep] several | 7 |
|
| 5 | [be] [adv prt] for several | 7 |
|
| 6 | [been] [adv prt] for several | 5 |
|
