| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] been a [noun] | 797 |
|
| 2 | [verb] [adv] been a [noun sg] | 779 |
|
| 3 | [verb] [adv] been a problem | 32 |
|
| 4 | [verb] [adv] been [art] problem | 26 |
|
| 5 | [verb] [adv] been [art] problem | 26 |
|
| 6 | [verb] [adv] be a problem | 25 |
|
| 7 | [verb] [adv] [be] a problem | 25 |
|
| 8 | [verb] [adv] been a problem | 23 |
|
| 9 | [verb] [adv] [been] a problem | 23 |
|
| 10 | [verb] [adv] been a problem | 23 |
|
