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Hi,

i am new to this forum.
I just hv a simple question. I just want to know when to use 'does' and when to use 'did' ?
If i am right does goes with present tense and did goes with past tense.

Ex.

I didn't knew it.
I dosen't know it.

Am i right ?
TIA.
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Comments  (Page 3) 
you're correct for your analytical thinking with do nd does. but sentence grammar with doesn't is wrong..We know does is use for singular and form of present tense while do is for plural and present tense too and did either singular or plural form of verb and it use when ur verb is past tense. In your example 1 Since you already used didn't the form of verb must remain in present tense. It must be I didn't know it while ex.2 Must be I don't know it coz pronoun I is first person and it is plural..
udayHi, i am new to this forum. I just hv a simple question. I just want to know when to use 'does' and when to use 'did' ? If i am right does goes with present tense and did goes with past tense. Ex. I didn't knew it. I dosen't know it. Am i right ? TIA.

do + plural (i, you) = present tense

does + singular = present tense

did = past tense

do does did + V base

i.e. i didn't know it

she doesn't know it

i don't know it
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Hello, mudclay-- and welcome to English Forums.

We ask those who wish to act as teachers to use care in their own presentation in posts. Please use correct punctuation: Sentences should begin with capital letters and end with periods or other appropriate terminal marks ('She doesn't know it.') and the 1st person singular personal pronoun should always be capitalized ('I').

You also seem to have a problem with the standard use of parenthesis (I noticed your similar misuse in another thread discussion today with CJ). Here, you have parenthesized in this manner: 'plural (I, you)'. This means that you consider 'I' and 'you' to be plural pronouns-- but I don't think that was your intention.

Overall, when preparing a response, please put attention to your own use of the language structures and conventions.

Thanks.
Mister MicawberHello, mudclay-- and welcome to English Forums.We ask those who wish to act as teachers to use care in their own presentation in posts. Please use correct punctuation: Sentences should begin with capital letters and end with periods or other appropriate terminal marks ('She doesn't know it.') and the 1st person singular personal pronoun should always be capitalized ('I').You also seem to have a problem with the standard use of parenthesis (I noticed your similar misuse in another thread discussion today with CJ). Here, you have parenthesized in this manner: 'plural (I, you)'. This means that you consider 'I' and 'you' to be plural pronouns-- but I don't think that was your intention.Overall, when preparing a response, please put attention to your own use of the language structures and conventions.Thanks.

Thank you sir for welcoming me in this forum. A friend recommended me this site. And i do apologize for some mistakes with regards to the forum rules.Thank you!
The answer is 'Sorry for what I did wrong'

Am I right ?
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Respectively confronting, "I didn't knew it" is wrong, it should be "I didn't know it" because if you will use the first sentence, the first past tense contradicts in the second; there should only be one past tense in that particular sentence structure. This common mistake is usually compared to more/much + adj(er/est) like "more bigger" it should be "more big."---this formula is deceitful.
did means any action done or complete in past
does= subject+does+v+object
and you must take care of subject it always singular
she doesn't know how to play football.
does she know how to play football?
hope u understand best of luck
chetan
1.That's what babies do
2. He didn't know he offended you.
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hey ...im way 2 late...but just came across ur post...whenevr v use 'did', v alwaz use the present form of the verb and it always refers to the past only...such as: You didn't know it./ You did know it./Did you know it?/ Didn't you know it? etc.

'does' always refers to the present nd is used as follows:-

I - DO/DO NOT EAT CHOCOLATES

YOU - DO/DO NOT EAT CHOCOLATES

HE/SHE/IT- DOES/DOES NOT EAT CHOCOLATES

WE/THEY - DO/ DO NOT EAT CHOCOLATES

Hence , does can never come with I/ YOU/ WE/ THEY.
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