SN4 ""

No	Pattern	Freq
31	take several days	7
32	[to-vb] several days	7
33	[noun pl] several days	6
34	[was/were] several days	6
35	[adv] several days	6
36	and several days	6
37	and several days	6
38	take several days	5
39	be several days	5
40	[be] several days	5
41	follow several days	5
42	several [adj] days	17
43	several [adj] days	14
44	several days [prep]	120
45	several days [prep]	120
46	several days [adv]	63
47	several days [adv]	62
48	several days [conj]	49
49	several days of	41
50	several days of	41
51	several days in	28
52	several days in	28
53	several days later	27
54	several days later	27
55	several days [verb]	27
56	several days [coord]	25
57	several days [subord]	22
58	several days and	20
59	several days and	20
60	several days [pron]	13