Forcing sex on an unwilling partner. Demanding sexual acts that the victim does not want to perform. Degrading treatment. Sending explicit pictures and demanding some in return.
Making it hard for the victim to see friends and relatives. Monitoring phone calls. Reading mail and messages. Controlling where the victim goes. Taking the victim's car keys, phone, etc.
Works to make the victim feel guilty. Pushing the victim into decisions. Sulking. Manipulating children and other family members. Always insisting on being right. Making up impossible "rules" and punishing the victim for breaking them.
Threatening to harm the victim, the children, the family members, and the pets. Using physical size to intimidate the victim and shouting. Keeping weapons and threatening to use them.