| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the [det] time maintain | 14 |
|
| 2 | [prep] the same time maintain | 14 |
|
| 3 | at the [adj] time maintain | 14 |
|
| 4 | [prep] the [adj] time maintain | 14 |
|
| 5 | [prep] the same time maintain | 14 |
|
| 6 | [prep] the [adj] time maintaining | 9 |
|
