| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a period of [adj] | 93 |
|
| 2 | [noun] [prep] a period of [adj] | 67 |
|
| 3 | [noun sg] [prep] a period of [adj] | 48 |
|
| 4 | [vb pp] [prep] a period of [adj] | 42 |
|
| 5 | [v-ing] [prep] a period of [adj] | 18 |
|
| 6 | [vb past] [prep] a period of [adj] | 17 |
|
| 7 | [noun pl] [prep] a period of [adj] | 16 |
|
| 8 | [adv] [prep] a period of [adj] | 15 |
|
| 9 | [adj] [prep] a period of [adj] | 12 |
|
| 10 | [adv] [prep] a period of [adj] | 11 |
|
| 11 | go [prep] a period of [adj] | 10 |
|
| 12 | followed [prep] a period of [adj] | 8 |
|
| 13 | follow [prep] a period of [adj] | 8 |
|
| 14 | be [prep] a period of [adj] | 7 |
|
| 15 | [be] [prep] a period of [adj] | 7 |
|
| 16 | [conj] [prep] a period of [adj] | 7 |
|
| 17 | [adj] [prep] a period of [adj] | 6 |
|
| 18 | coincide [prep] a period of [adj] | 6 |
|
| 19 | beginning [prep] a period of [adj] | 6 |
|
| 20 | beginning [prep] a period of [adj] | 6 |
|
| 21 | [vb -s] [prep] a period of [adj] | 5 |
|
| 22 | going [prep] a period of [adj] | 5 |
|
| 23 | coincided [prep] a period of [adj] | 5 |
|
| 24 | [pron] [prep] a period of [adj] | 5 |
|
| 25 | [prep] a [adj] period of [adj] | 57 |
|
| 26 | [prep] a [adj] period of [adj] | 57 |
|
| 27 | [prep] a long period of [adj] | 16 |
|
| 28 | [prep] a long period of [adj] | 16 |
|
| 29 | [prep] a prolonged period of [adj] | 6 |
|
| 30 | [prep] a prolonged period of [adj] | 6 |
|
