Simple past and past participle of have

• Possessed or owned
• Included or contained
• Ate, drank, or used
• Experienced, underwent, or enjoyed
• Suffered from or was affected by
• Hosted, held, or conducted
• Gave birth to; produced
• Received or obtained

Auxiliary forming the past perfect

• Marks action completed before a past time
• Used with a past participle

Past of have to

• Meant was obliged or required to