| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be the root | 72 |
|
| 2 | is the root | 34 |
|
| 3 | are the root | 14 |
|
| 4 | be the root | 12 |
|
| 5 | was the root | 9 |
|
| 6 | be the roots | 5 |
|
