| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] to account for | 66 |
|
| 2 | is [adj] account for | 23 |
|
| 3 | be [adj] account for | 19 |
|
| 4 | be able account for | 13 |
|
| 5 | was [adj] account for | 11 |
|
| 6 | be insufficient account for | 11 |
|
| 7 | be difficult account for | 10 |
|
| 8 | be unable account for | 9 |
|
| 9 | are [adj] account for | 9 |
|
| 10 | be sufficient account for | 7 |
|
