1026359 Tom didn't know how much he had spent. CK 1 1026118 Tom doesn't know how deep the pool is. CK 1 1029156 Tom doesn't know how much Mary weighs. CK 1 2411688 Tom doesn't know how to tie his shoes. CK 1 1960919 Tom doesn't know how to use a snorkel. CK 1 1094297 Tom doesn't understand how Mary feels. CK 1 1025338 Tom has no idea how long it will take. CK 1 1025337 Tom has no idea how much it will cost. CK 1 2060306 Tom is learning how to defend himself. CK 1 1093090 Tom really knows how to stay in shape. CK 1 1027971 Tom taught Mary how to play the piano. CK 1 2953538 We all know how dangerous that can be. CK 1 2025947 What I want to know is how to do this. CK 1 2046886 You saw how busy they are, didn't you? CK 1 2075610 Could you please show me how it's done? CK 1 3131787 Do you have any idea how this happened? CK 1 2712730 Do you know how deep the water is here? CK 1 3132853 Do you know how that could've happened? CK 1 1037894 Does anybody know how the fire started? CK 1 289615 He doesn't know how to play the guitar. Nero 1 277590 How about going for a walk after lunch? CK 1 38672 How come you didn't call me last night? jakov 1 3287294 How could I forget something like that? CK 1 1834158 How did Tom convince Mary to marry him? CK 1 279653 How did you spend your winter vacation? CK 1 281642 How do you say "Thank you" in Japanese? CK 1 62078 How far is it to the library from here? CK 1 3024383 How long are you going to be in Boston? CK 1 3285877 How long do you have to stay in Boston? CK 1 3285878 How long do you need to stay in Boston? CK 1 2221138 How long do you plan to stay in Boston? CK 1 3285436 How long do you want to stay in Boston? CK 1 58058 How long has it been since we last met? CK 1 326301 How long have they been playing tennis? CK 1 2492866 How long have you been in this country? sharptoothed 1 2451305 How long have you been studying French? CK 1 2451304 How long have you been teaching French? CK 1 953340 How many computers have you had so far? CK 1 2196901 How many counties are there in Florida? CK 1 2912480 How many hospitals are there in Boston? CK 1 1454201 How many times a year do you go skiing? CK 1 2539029 How many times have you been to Boston? CK 1 2912553 How many years has Tom lived in Boston? CK 1 2451303 How many years have you studied French? CK 1 2912590 How much does it cost to get to Boston? CK 1 909526 How much time do you spend on Facebook? CK 1 317999 How much will it cost you to go by air? U2FS 1 1027604 How often does Tom take French lessons? CK 1 3123524 How'd you like to go to Boston with us? CK 1 2301889 I can't believe how stupid you've been. CK 1