| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [prep] [art] same time maintain | 9 |
|
| 2 | [subord] [prep] [art] same time maintain | 9 |
|
| 3 | [subord] at [art] same time maintain | 9 |
|
| 4 | [subord] [prep] the same time maintain | 9 |
|
| 5 | [subord] at [art] same time maintain | 9 |
|
| 6 | [subord] [prep] [art] same time maintaining | 8 |
|
| 7 | while [prep] [art] same time maintain | 7 |
|
