| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | tests carry out by the [noun] | 6 |
|
| 2 | tests carry [adv prt] by the [noun] | 6 |
|
| 3 | tests carried [adv prt] by the [noun] | 6 |
|
| 4 | tests carry [adv prt] by the [noun sg] | 5 |
|
