| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [noun pl] in | 186 |
|
| 2 | been [noun sg] in | 111 |
|
| 3 | been change in | 24 |
|
| 4 | been changes in | 20 |
|
| 5 | been [n mass] in | 9 |
|
| 6 | been difficulty in | 8 |
|
| 7 | been progress in | 6 |
|
| 8 | been progress in | 6 |
|
| 9 | been problems in | 5 |
|
| 10 | been problem in | 5 |
|
| 11 | been improvement in | 5 |
|
| 12 | been difficulties in | 5 |
|
