Употребить данные предложения во всех вормах (утвердит., отриц., вопросит.) we sang in class. i sat on a chair. he spoke english. my cat spoilt the table. the table stood at the pool. she tought students five ears ago he told story. we thought about poems. he threw a stone in to the river. she understood me. i wore spectacles. we won! i wrote letters. народ, заранее !

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we didn't sing in class
did we sing in class?
I didn't sit on chair
did I sit on chair?
he didn't speak English
did he speak English?
my cat didn't spoil the table
did my cat spoil the table?
the table didn't stay at the pool.
did the table stay at the pool?
she didn't teach students five years ago
did she teach students five years ago?
he didn't tell story
did he tell story?
we didn't think about poems
did we think about poems?
he didn't throw a stone in to the river
did he throw a stone in to the river?
she didn't understand me
did she understand me?
I didn't wear spectacles
did i wear spectacles?
we didn't win
did we win?
I didn't write letters
did I write letters?