| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | go weak at the [noun] | 11 |
|
| 2 | go weak at the [noun pl] | 10 |
|
| 3 | go weak at the knee | 10 |
|
| 4 | go weak at the knees | 10 |
|
| 5 | go weak at the [noun] | 5 |
|
