| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] a period | 16 |
|
| 2 | be [v-ing] a period | 16 |
|
| 3 | [prep] [v-ing] a period | 11 |
|
| 4 | [prep] [v-ing] a period | 11 |
|
| 5 | [noun] [v-ing] a period | 9 |
|
| 6 | [conj] [v-ing] a period | 8 |
|
| 7 | [am/are] [v-ing] a period | 8 |
|
| 8 | are [v-ing] a period | 8 |
|
| 9 | [coord] [v-ing] a period | 6 |
|
| 10 | and [v-ing] a period | 5 |
|
| 11 | [noun sg] [v-ing] a period | 5 |
|
| 12 | and [v-ing] a period | 5 |
|
| 13 | [v-ing] [prep] a period | 54 |
|
| 14 | [v-ing] [prep] a period | 54 |
|
| 15 | [v-ing] through a period | 15 |
|
| 16 | [v-ing] through a period | 15 |
|
| 17 | [v-ing] [adv] a period | 14 |
|
| 18 | [v-ing] over a period | 13 |
|
| 19 | [v-ing] [adv prt] a period | 13 |
|
| 20 | [v-ing] over a period | 13 |
|
| 21 | [v-ing] for a period | 11 |
|
| 22 | [v-ing] for a period | 11 |
|
| 23 | [v-ing] in a period | 8 |
|
| 24 | [v-ing] in a period | 8 |
|
| 25 | [v-ing] from a period | 5 |
|
| 26 | [v-ing] from a period | 5 |
|
| 27 | [v-ing] a [adj] period | 44 |
|
| 28 | [v-ing] a [adj] period | 41 |
|
| 29 | [v-ing] a brief period | 5 |
|
| 30 | [v-ing] a brief period | 5 |
|
