| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | vary [v-ing] to [pos pn] [noun sg] | 9 |
|
| 2 | vary according [prep] [pos pn] [noun sg] | 9 |
|
| 3 | vary [v-ing] [prep] their [noun sg] | 6 |
|
| 4 | vary [v-ing] [prep] [pos pn] [noun sg] | 5 |
|
