SN4 ""

No	Pattern	Freq
1	[verb] [adv] period [prep]	13
2	follow [adv] period [prep]	7
3	[vb base] [adv] period [prep]	7
4	follow [adv] period [prep]	7
5	[adv] [adj] period [prep]	328
6	[adv] [adj] period [prep]	278
7	[adv] [art] period [prep]	163
8	[adv] [art] period [prep]	163
9	[adv] a period [prep]	117
10	[adv] a period [prep]	117
11	[adv] short period [prep]	79
12	[adv] short period [prep]	72
13	[adv] long period [prep]	56
14	[adv] long period [prep]	48
15	[adv] the period [prep]	46
16	[adv] the period [prep]	46
17	[adv] [prep] period [prep]	31
18	[adv] [prep] period [prep]	31
19	[adv] [det] period [prep]	24
20	[adv] [adj -er] period [prep]	16
21	[adv] [verb] period [prep]	15
22	[adv] during period [prep]	11
23	[adv] during period [prep]	11
24	[adv] [num] period [prep]	9
25	[adv] longer period [prep]	8
26	[adv] difficult period [prep]	7
27	[adv] brief period [prep]	7
28	[adv] this period [prep]	7
29	[adv] this period [prep]	7
30	[adv] difficult period [prep]	7