BUT

(a)  

OR

(a)  

SO

(a)  

WHETHER

(a)  

Until/Till

(a)  

Before

(a)  

After

(a)  

When/As

(a)  

Once

(a)  

While

(a)  

Since + mệnh đề

(a)  

As soon as

(a)  

By the time

(a)  

Wherever

(a)  

Everywhere

(a)  

If

(a)  

Unless

(a)  

As long as = so long as + mệnh đề

(a)  

Providing/ Provided (that)

(a)  

Although/ Though/ Even though + mệnh đề

(a)  

Whereas

(a)  

Therefore

(a)  

As a result

(a)  

In case + mệnh đề

(a)