Предложения в отрицательной, вопросительной,утвердительной форме I(to see)Mary today I (to see her )last week He(to fall ill)
В отрицательной: I Didn`t see Mary today. I I did not see her last week. He(she) did not fall ill В вопросительной: Did I see Mary today? Did I see her last week? Did she fall ill? В утвердительной: I saw Mary today. I saw her last week. He fell ill