| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [prep] a [noun] | 319 |
|
| 2 | account for [prep] [noun] | 111 |
|
| 3 | account [prep] a [noun] | 57 |
|
| 4 | account for a [noun] | 45 |
|
| 5 | account for [prep] a | 39 |
|
