| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which account for [det] | 24 |
|
| 2 | which accounted for [det] | 10 |
|
| 3 | which accounts for [det] | 8 |
|
| 4 | which account for [det] | 6 |
|
| 5 | which account for some | 6 |
|
| 6 | which account for most | 6 |
|
