Affirmative sentences in the general present tense, negative sentences, general questions. Affirmative sentences in the general past tense, negative sentences, general questions

Affirmative sentences in the general present tense, negative sentences, general questions. Affirmative sentences in the general past tense, negative sentences, general questions

i have lunch at 12' o clock.i don't have lunch at 12'o clock .do you have lunch at 12'o clock?i called you last night.i didn't call you last night.did you call me last night?