| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [modal v] [be] for | 274 |
|
| 2 | [modal v] [be] account for | 105 |
|
| 3 | [noun sg] [modal v] account for | 76 |
|
| 4 | [noun sg] [modal v] [be] account | 49 |
|
| 5 | [noun sg] [be] account for | 6 |
|
