I think开头的一般疑问句引导的宾语从句用陈述语序。例句:I think. Will it be sunny tomorrow?(合并成宾语从句)I think it will be sunny tomorrow.译:我认为明天会是晴天。
宾语从句是没有什么一般疑问句的,只能说疑问词比方说what或者how引导的宾语从句。比如,I don't know how he will come here.