| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a problem for | 94 |
|
| 2 | be a problem for | 94 |
|
| 3 | [adv] a problem for | 57 |
|
| 4 | [verb] a problem for | 56 |
|
| 5 | [adv] a problem for | 44 |
|
| 6 | [is] a problem for | 36 |
|
| 7 | be a problem for | 31 |
|
| 8 | is a problem for | 31 |
|
| 9 | [be] a problem for | 31 |
|
| 10 | [prep] a problem for | 25 |
|
| 11 | [prep] a problem for | 25 |
|
| 12 | [vb -s] a problem for | 19 |
|
| 13 | of a problem for | 17 |
|
| 14 | of a problem for | 17 |
|
| 15 | been a problem for | 15 |
|
| 16 | [been] a problem for | 15 |
|
| 17 | [vb pp] a problem for | 13 |
|
| 18 | [not/n't] a problem for | 12 |
|
| 19 | not a problem for | 12 |
|
| 20 | [was/were] a problem for | 11 |
|
| 21 | pose a problem for | 11 |
|
| 22 | was a problem for | 10 |
|
| 23 | not a problem for | 9 |
|
| 24 | present a problem for | 9 |
|
| 25 | [adj] a problem for | 8 |
|
| 26 | [v-ing] a problem for | 7 |
|
| 27 | become a problem for | 7 |
|
| 28 | [vb infin] a problem for | 7 |
|
| 29 | remain a problem for | 5 |
|
| 30 | as a problem for | 5 |
|
