SN4 ""

No	Pattern	Freq
1	[noun] for a [noun sg] [conj]	1624
2	[noun] for a [noun] [conj]	1444
3	[noun sg] for a [noun] [conj]	1226
4	[noun] for a [noun] [coord]	1154
5	[noun] for a [noun] and	657
6	[noun] for a [noun] and	657
7	[noun] for a [noun] or	430
8	[noun] for a [noun] or	430
9	[noun pl] for a [noun] [conj]	267
10	[noun] for a [noun] [that]	246
11	[noun] for a [noun] that	246
12	[noun] for a [noun] that	246
13	[noun] for a [noun] [subord]	242
14	[noun] for an [noun] [conj]	198
15	[noun] for a while [conj]	99
16	[noun prp] for a [noun] [conj]	99
17	[noun] for a while [conj]	99
18	[noun] for a year [conj]	91
19	[noun] for a year [conj]	91
20	[noun] for a week [conj]	80
21	[noun] for a week [conj]	80
22	[noun] for a moment [conj]	70
23	[noun] for a moment [conj]	70
24	[noun] for a [noun] but	64
25	[noun] for a [noun] but	64
26	[noun] for a hour [conj]	61
27	[noun] for a hour [conj]	61
28	[n mass] for a [noun] [conj]	46
29	[noun] for a [noun] as	45
30	[noun] for a day [conj]	45