| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is [adj] [prep] maintaining | 24 |
|
| 2 | [noun sg] is [adj] [prep] maintaining | 20 |
|
| 3 | is [adj] [prep] maintaining [art] | 19 |
|
| 4 | is [adj] [prep] maintaining [art] | 19 |
|
| 5 | is [adj] [prep] maintaining the | 11 |
|
| 6 | is [adj] [prep] maintaining the | 11 |
|
| 7 | is [adj] [prep] maintaining a | 8 |
|
| 8 | is [adj] [prep] maintaining [noun] | 7 |
|
| 9 | is [adj] [prep] maintaining a | 6 |
|
