L87 A perfect alibi
连词（that/if&whether/wh-） / 语序（陈述句） / 人称 / 时态（主从一致） / 语气
- that + 陈述句
- if / whether + 陈述句
- 特殊疑问词 + 陈述句
The secretary told me, 'Mr. Harmsworth will see you.'
The secretary told me that Mr. Harmsworth would see me
连词：if / whether (or not)
'Was Mr. Gilbert's operation successful?' he asked.
He asked if Mr. Gilbert's operation had been successful
'When will Mr. Gilbert be allowed to go home? 'he asked.
He then asked when Mr. Gilbert would be allowed to go home.