Should X Had better X Could

When we give advice and say what we think is the best solution, we use

• had better

• could

• should

When we give advice and we believe there are options to solve a problem, we use

• had better

• could

• should

When we give advice and we believe there will be a bad consequence if the person doesn't follow the advice to solve a problem, we use

• had better

• could

• should

I always forget what my boss asks me to do

• You'd better write down what you have to do

• You should to write down what you have to do

• You could to write down what you have to do

My boyfriend always spends all his money and asks me to lend him some.

• You could tell him you don't have any money left

• You should talk to your boss about it

• You'd better not to lend him money

I don't have a very good relationship with my colleagues

• You could talk to a fortune teller

• You'd better do something about it

• You should go to the doctor

I'm going to a job interview, but I don't have proper clothes

• You shouldn't worry about that

• You'd better not go to the interview

• You could borrow some clothes from a friend

A colleague texts me every night asking me what I think about our boss

• You should go to work

• You'd better not say anything bad about him

• You could to talk to your boss

We _______ learn a new language to get higher salaries

• had better not

• couldn't

• should

You _______ talk to a friend if you feel sad

• hadn't better

• couldn't

• should