SN4 ""

No	Pattern	Freq
1	[noun pl] [prep] the [adj] period	276
2	[noun pl] in the [adj] period	85
3	[noun pl] in the [adj] period	85
4	[noun pl] of the [adj] period	84
5	[noun pl] of the [adj] period	84
6	[noun pl] during the [adj] period	36
7	[noun pl] during the [adj] period	36
8	[noun pl] [prep] the post-war period	26
9	[noun pl] for the [adj] period	21
10	[noun pl] [prep] the inter-war period	21
11	[noun pl] for the [adj] period	21
12	[noun pl] over the [adj] period	17
13	[noun pl] over the [adj] period	17
14	[noun pl] from the [adj] period	11
15	[noun pl] from the [adj] period	11
16	[noun pl] [prep] the modern period	8
17	[noun pl] [prep] the postwar period	7
18	changes [prep] the [adj] period	7
19	[noun pl] [prep] the whole period	6
20	[noun pl] throughout the [adj] period	6
21	[noun pl] [prep] the roman period	6
22	[noun pl] throughout the [adj] period	6
23	[noun pl] [prep] the intervening period	6
24	[noun pl] [prep] the colonial period	6
25	[noun pl] [prep] the medieval period	5
26	[noun pl] [prep] the three-year period	5
27	years [prep] the [adj] period	5