| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep a [adj] face | 32 |
|
| 2 | keep a straight face | 28 |
|
| 3 | to keep a [adj] face | 11 |
|
| 4 | kept a [adj] face | 7 |
|
| 5 | keeping a [adj] face | 5 |
|
