| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | account for [art] [adj] [noun sg] | 69 |
|
| 2 | [modal v] account for [art] [adj] | 59 |
|
| 3 | [modal v] account for [art] [noun sg] | 57 |
|
| 4 | [modal v] for [art] [adj] [noun sg] | 10 |
|
