Ngữ pháp môn Tiếng Anh Lớp 10 - Future Continuous

Future Continuous
There are 10 questions in this quiz. Read the grammar explanation below.
1.   Complete the sentence.
Alex ___ late. He’s stuck in traffic.
Top of Form
 will arriving   
 will be arriving   
 will be arrive   
Bottom of Form
Use: 
a) Use the future continuous to talk about an event that will already be in progress at a specified time in the future.
This time next week, I’ll be driving to my parents’ house.
Phrases often seen with this use of the future continuous include:
By ..., This time next week...,  In __ years’ time...; when + present simple; by the time + present simple.
When you arrive, I’ll be driving home.
By the time I get home, you’ll probably be having a bath.
b) The future continuous can be used instead of the present continuous for future plans.
Will you be going to Jane’s party?
Yes, but I’ll be getting there a bit late, because I’m going to a meeting after work.
c) We can also use the future continuous to make a guess about something that is in progressat the moment. 
Don’t phone Richard now, he’ll be having dinner.
Oh no, I forgot about the dinner! It’ll be burning, I know it! 
These sentences are not about the future but we can use the future continuous to talk about what we assume is happening at the moment.
Form:
a) You can make the future continuous with will or going to. Make the future continuous this way:
Positive and Negative
I
you
he / she it
we
they
will be
won’t be
verb + ing
am / are / is    going to be
Questions
Will
Won’t
I
you
he / she it
we
they
be
verb + ing?
Am
Is
Are
going to be
b) Remember that some verbs are not used in continuous tenses.  These include verbs connected with possession: possess, own, belong, likes and dislikes: like, love, hate andother abstract verbs: seem, be, cost, want.