| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | account for [noun] [prep] | 43 |
|
| 2 | account for [noun] of | 37 |
|
| 3 | account for [n mass] [prep] | 35 |
|
| 4 | account for 70% [prep] | 6 |
|
| 5 | account for 70% [prep] | 6 |
|
| 6 | account for [noun sg] [prep] | 6 |
|
