Only if用于句首,后接从句时主谓倒装,不在句首不倒装
Only if the case is urgent should you call out the doctor in the middle of the night.只有患者情况紧急时,你才可以在半夜叫医生看病.
Only if用于句首,后接从句时主谓倒装,不在句首不倒装
Only if the case is urgent should you call out the doctor in the middle of the night.只有患者情况紧急时,你才可以在半夜叫医生看病.