SN4 ""

No	Pattern	Freq
1	the [noun sg] office	3100
2	[art] home office	1033
3	[art] post office	863
4	a [noun sg] office	380
5	[art] box office	134
6	[art] war office	123
7	[art] cabinet office	110
8	[art] met office	70
9	[art] ticket office	50
10	[art] tourist office	45
11	[art] reception office	37
12	[art] court office	31
13	[art] booking office	31
14	[art] tax office	30
15	[art] patent office	30
16	[art] information office	29
17	[art] registry office	27
18	an [noun sg] office	23
19	[art] drawing office	23
20	[art] area office	22
21	[art] press office	21
22	[art] crown office	20
23	[art] branch office	18
24	[art] passport office	18
25	[art] production office	17
26	[art] register office	16
27	[art] back office	15
28	[art] newspaper office	15
29	[art] record office	13
30	[art] signet office	13