| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] when it become | 27 |
|
| 2 | [conj] when it become | 27 |
|
| 3 | [conj] when it become | 27 |
|
| 4 | [conj] when it became | 19 |
|
| 5 | and when it become | 16 |
|
| 6 | and when it become | 16 |
|
| 7 | but when it become | 9 |
|
| 8 | but when it become | 9 |
|
| 9 | [conj] when it becomes | 8 |
|
