SN4 ""

No	Pattern	Freq
1	[noun] for [adj] period	174
2	[verb] for [adj] period	127
3	[noun sg] for [adj] period	123
4	[adv] for [adj] period	64
5	[vb pp] for [adj] period	58
6	[adv] for [adj] period	51
7	[adj] for [adj] period	49
8	[adj] for [adj] period	43
9	[noun pl] for [adj] period	41
10	[conj] for [adj] period	28
11	[to-vb] for [adj] period	22
12	[v-ing] for [adj] period	14
13	[adv prt] for [adj] period	13
14	[subord] for [adj] period	12
15	[vb infin] for [adj] period	12
16	only for [adj] period	11
17	only for [adj] period	11
18	[coord] for [adj] period	11
19	[vb base] for [adj] period	9
20	[pron] for [adj] period	8
21	[vb past] for [adj] period	8
22	work for [adj] period	7
23	[pers pn] for [adj] period	7
24	and for [adj] period	7
25	and for [adj] period	7
26	that for [adj] period	5
27	[that] for [adj] period	5
28	[n mass] for [adj] period	5
29	that for [adj] period	5
30	[noun prp] for [adj] period	5