| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] when it became | 19 |
|
| 2 | [conj] when it became | 19 |
|
| 3 | [conj] when it became | 19 |
|
| 4 | and when it became | 10 |
|
| 5 | and when it became | 10 |
|
| 6 | but when it became | 8 |
|
| 7 | but when it became | 8 |
|
