Write the correct form or tenseof the verbs in beackets.
1.They…..(not use)natural gas to cook.
2.What….Patrick(eat)…at the night market 2 days ago?
3.If we(recycle)….more,we(help)…..-the Earth.
4.My mother…..(not cook)because robots will help her.
(-) S + do/does not + V-bare
(?) Did + S + V-bare?