| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they should [verb] [noun] | 155 |
|
| 2 | they should [vb infin] [noun] | 154 |
|
| 3 | they [modal v] take [noun] | 120 |
|
| 4 | [pron] should take [noun] | 74 |
|
| 5 | they should take [noun] | 13 |
|
