| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be problems [prep] | 248 |
|
| 2 | are problems [prep] | 97 |
|
| 3 | [am/are] problems [prep] | 97 |
|
| 4 | [be] problems with | 88 |
|
| 5 | [be] problems [prep] | 69 |
|
| 6 | be problems [prep] | 69 |
|
| 7 | [be] problems in | 62 |
|
| 8 | [was/were] problems [prep] | 52 |
|
| 9 | were problems [prep] | 51 |
|
| 10 | [be] problems of | 48 |
|
| 11 | [been] problems [prep] | 22 |
|
| 12 | been problems [prep] | 22 |
|
| 13 | [is] problems [prep] | 8 |
|
| 14 | [be] problems about | 8 |
|
| 15 | [be] problems at | 8 |
|
| 16 | [be] problems on | 7 |
|
| 17 | [be] problems for | 6 |
|
| 18 | 's problems [prep] | 5 |
|
