SN4 ""

No	Pattern	Freq
1	[v-ing] [adv] at the time	34
2	[v-ing] [noun] at the time	28
3	[v-ing] [adv prt] at the time	24
4	[v-ing] [pron] at the time	15
5	[v-ing] [noun sg] at the time	13
6	[v-ing] on at the time	11
7	[v-ing] on at the time	11
8	[v-ing] [pers pn] at the time	10
9	[v-ing] [adv] at the time	10
10	[v-ing] [noun pl] at the time	7
11	[v-ing] [noun prp] at the time	7
12	[v-ing] [adj] at the time	5
13	be [v-ing] at the time	84
14	[be] [v-ing] at the time	84
15	[was/were] [v-ing] at the time	65
16	was [v-ing] at the time	43
17	[noun] [v-ing] at the time	34
18	were [v-ing] at the time	22
19	[noun sg] [v-ing] at the time	18
20	[prep] [v-ing] at the time	18
21	[prep] [v-ing] at the time	18
22	[adv] [v-ing] at the time	14
23	[noun pl] [v-ing] at the time	14
24	[verb] [v-ing] at the time	13
25	[not/n't] [v-ing] at the time	7
26	of [v-ing] at the time	7
27	remember [v-ing] at the time	7
28	of [v-ing] at the time	7
29	[adv] [v-ing] at the time	7
30	not [v-ing] at the time	7