EF3/4 Causative verbs

help
ask
tell 'I tell my dog to sit."
invite
encourage
allow
convince
force
hire "I hire a gardener to mow my lawn and trim the grass."


I hired a roofer to fix the leak in my roof.
Joe was hired to shovel the sidewalk in front of the school. PASSIVE VOICE

ACTIVE VOICE
I drove the car.
Sarah ate a sandwich.
PASSIVE VOICE
The car was driven by me.
The sandwich was eaten by Shara.


A car accident happened in front of my house. ACTIVE VOICE

A car hit a pedestrian. ACT V
A pedestrian was hit by a car. PASS V

invite
I am going to invite my friends for Xmas dinner.
I am going to invite my friends to have Xmas dinner with us.


I ask my sister to help me.
I asked my sister to helped me. XXX
I asked my sister to help me.

He invited us to come to his house.
He invited us to his house. SIMPLE

He convinced his brother to divorce his wife.
He convinced his brother to bring some flowers for his wife.

Sarah asked Marie to pick up some milk.
Simple? Compound? Complex? I think it's complex.

Sarah thinks that Marie picked up some milk. COMPLEX - noun clauses