Hello insiders I teach English in grade 9 in Switzerland. In our new English book I stumbled over the following questions in the Simple Past: Who designed this car? (Instead of: Who did design this car?) Who discovered Australia? (Instead of: Who did discover Australia?) Now everyone in the class agreed that these questions are correct. However, we found no information in our grammar reference for this. Could anyone please point me to an according rule? Thanks in advance! Morgy
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