1. "Make" is a causative verb that requires the infinitive form of the verb following it. For example: "Make him come."2. When used in passive voice, the infinitive must include the "to." For example: "He was made to come."3. The verb "let" follows the same rules as "make," requiring the infinitive form. For example: "Let him come."4. "Help" is another causative verb that needs the infinitive form. For example: "Help him come."5. "Have" can also be used in a causative sense, and it requires the infinitive form. For example: "Have him come."6. The passive voice with causative verbs requires the infinitive form with "to" when using these verbs. For example: "He was had to come."7. "Get" is a versatile verb that can be causative, and it requires the infinitive form. For example: "Get him to come."8. "Leave" can also be used causatively, and it requires the infinitive form. For example: "Leave him to come."9. The phrase "leave sb doing" is used when allowing someone to continue an action. For example: "Leave him coming."10. "Set" is another verb that can be causative and requires the infinitive form. For example: "Set him to come."11. It's important to note that when using negation with causative verbs, the infinitive form must include "to." For example: "I won't have him come."12. "Make" can also be used in a question to ask what someone is making another person do. For example: "What are you making him come for?"13. The phrase "make sb/sth done/adj./n" is used when the action of the verb is completed or has an effect on the subject. For example: "The news made him happy."14. "Get sb to do" is a common way to express making someone do something. For example: "I can't get anyone to come."15. "Get sth done" is used when having someone else complete an action on your behalf. For example: "I must get my hair cut."16. "Leave sb to do sth" is used when allowing someone to do something independently. For example: "We left him to paint the gate."17. "Leave sb doing" is used when someone is allowed to continue an ongoing action. For example: "Don't leave her waiting outside in the rain."18. "Leave sth done/adj./prep.phrase" is used when the result of an action is left in a certain state. For example: "Please excuse me if I have left any of your questions unanswered."19. The phrase "I was made to repeat the story" is an example of the passive voice with "make."20. The phrase "The news made him happy" is an example of "make" used to describe an effect on someone.21. The phrase "He made her his wife" is an example of "make" used to describe an action resulting in a change of status.22. "Causative verbs" like "make," "have," "let," "help," "get," "set," "leave," etc., are used to indicate that one person or thing causes another person or thing to do something.