SN4 ""

No	Pattern	Freq
1	[noun sg] [noun] at the time	293
2	[noun sg] [noun sg] at the time	219
3	[noun sg] [verb] at the time	106
4	[noun sg] [noun pl] at the time	65
5	[noun sg] [conj] at the time	51
6	[noun sg] [adj] at the time	49
7	[noun sg] [adj] at the time	45
8	[noun sg] [vb pp] at the time	44
9	[noun sg] [adv] at the time	32
10	[noun sg] [pron] at the time	22
11	[noun sg] [coord] at the time	22
12	[noun sg] [adv] at the time	20
13	[noun sg] [vb past] at the time	20
14	[noun sg] that at the time	19
15	[noun sg] that at the time	19
16	[noun sg] [that] at the time	19
17	[noun sg] [v-ing] at the time	18
18	[noun sg] available at the time	17
19	[noun sg] available at the time	17
20	[noun sg] which at the time	16
21	[noun sg] [Wh det] at the time	16
22	[noun sg] which at the time	16
23	[noun sg] be at the time	15
24	[noun sg] [be] at the time	15
25	[noun sg] and at the time	13
26	[noun sg] and at the time	13
27	[noun sg] [vb -s] at the time	12
28	[noun sg] [adv prt] at the time	12
29	[noun sg] [to-vb] at the time	10
30	[noun sg] [was/were] at the time	10