SN4 ""

No	Pattern	Freq
1	[prep] four weeks	273
2	[prep] four weeks	273
3	[adv] four weeks	116
4	[adv] four weeks	115
5	[conj] four weeks	104
6	[adj] four weeks	100
7	[coord] four weeks	77
8	[verb] four weeks	61
9	to four weeks	59
10	to four weeks	59
11	or four weeks	56
12	or four weeks	56
13	[num ord] four weeks	53
14	[art] four weeks	51
15	[art] four weeks	51
16	for four weeks	50
17	for four weeks	50
18	in four weeks	44
19	in four weeks	44
20	of four weeks	35
21	of four weeks	35
22	after four weeks	34
23	after four weeks	34
24	the four weeks	28
25	the four weeks	28
26	within four weeks	28
27	within four weeks	28
28	about four weeks	27
29	about four weeks	27
30	[noun] four weeks	26