3. The living room will be decorated with a Christmas tree next week.

S+ will be + V3/ed : bị động - thì TLĐ

4. The project is going to be completed by Mary and Peter soon.

S + am/is/are + going to be  +V3/ed : thì TLG

1. Unless Lan sends me an invitation, I won't come to her birthday party.

Unless: trừ khi = If .... not 

If 1: If + HTĐ, S+ will /can/shall + V1 

2. If Jane didn't have an important meeting tonight, she could see you off at the airport.

If 2: if + QKD, S + would / could + V1

3. If Minh were here now, he could help us to solve this Maths problem.

4. If they don't work harder, they won't be successful.

5. If you read the instruction carefully, you will understand how to operate this machine.

`color{orange}{~MiaMB~}`