| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] a problem | 54 |
|
| 2 | have [been] a problem | 54 |
|
| 3 | [adv] [been] a problem | 35 |
|
| 4 | [adv] [been] a problem | 26 |
|
| 5 | [vb -s] [been] a problem | 21 |
|
| 6 | have [been] a problem | 19 |
|
| 7 | [vb infin] [been] a problem | 19 |
|
| 8 | has [been] a problem | 16 |
|
| 9 | always [been] a problem | 16 |
|
| 10 | always [been] a problem | 16 |
|
| 11 | not [been] a problem | 9 |
|
| 12 | [not/n't] [been] a problem | 9 |
|
| 13 | [vb past] [been] a problem | 9 |
|
| 14 | had [been] a problem | 8 |
|
| 15 | not [been] a problem | 7 |
|
| 16 | [vb base] [been] a problem | 5 |
|
| 17 | 's [been] a problem | 5 |
|
| 18 | have [been] a problem | 5 |
|
| 19 | [been] a [adj] problem | 36 |
|
| 20 | [been] a [adj] problem | 36 |
|
| 21 | [been] a major problem | 6 |
|
| 22 | [been] a major problem | 6 |
|
| 23 | [been] a problem [prep] | 36 |
|
| 24 | [been] a problem [prep] | 36 |
|
| 25 | [been] a problem for | 15 |
|
| 26 | [been] a problem for | 15 |
|
| 27 | [been] a problem [conj] | 13 |
|
| 28 | [been] a problem [subord] | 7 |
|
| 29 | [been] a problem with | 6 |
|
| 30 | [been] a problem in | 6 |
|
