SN4 ""

No	Pattern	Freq
1	[verb] to the [adj] period	31
2	[adv] to the [adj] period	21
3	[adv prt] to the [adj] period	17
4	[vb pp] to the [adj] period	13
5	[noun] to the [adj] period	12
6	belong to the [adj] period	10
7	back to the [adj] period	8
8	back to the [adj] period	8
9	[noun sg] to the [adj] period	8
10	up to the [adj] period	7
11	up to the [adj] period	7
12	[conj] to the [adj] period	7
13	[vb -s] to the [adj] period	7
14	[adj] to the [adj] period	6
15	[vb base] to the [adj] period	6
16	as to the [adj] period	6
17	compared to the [adj] period	6
18	as to the [adj] period	6
19	compare to the [adj] period	6
20	[subord] to the [adj] period	6
21	date to the [adj] period	5
22	[adj] to the [adj] period	5
23	to the [adj] [adj] period	16
24	to the [adj] [adj] period	13
25	to the early [adj] period	5
26	to the early [adj] period	5
27	to the [adj] [adj] period	16
28	to the [adj] [adj] period	16
29	to the [adj] [noun] period	7
30	to the [adj] [noun sg] period	6