Advanced Grammar: Subordinate Clauses as Sentence Members

In advanced English, a whole subordinate clause can function as a sentence member: as a subject, complement, object, or adverbial modifier.

1. Clause as Subject

What puts many drivers off electric cars is that charging infrastructure is still unevenly distributed.

The clause What puts many drivers off electric cars functions as the subject.

2. Clause as Subject Complement

What concerns buyers most is how battery degradation may affect resale value.

The clause after is explains the subject.

3. Adverbial Clause of Place

Where I live, there are not enough fast-charging stations.

Where I live functions as an adverbial modifier of place.

4. Clause as Object

Many drivers wonder whether electric cars are practical for long-distance travel.

The clause answers the question: wonder what?

5. Emphatic “What”-Clause

What makes electric cars attractive is that they are cheaper to run.

This structure gives emphasis to the main idea.

6. Adverbial Clause of Condition

If renewable energy becomes more widespread, electric cars will become much greener.

The clause expresses the condition under which the main idea is true.

7. Clause after “whether”

What remains unclear is whether battery recycling can be scaled efficiently.

The subordinate clause works as a subject complement.

TOEFL New — Build a Sentence (Advanced Grammar)

Reconstruct the sentences using the words provided.


1. FRIEND: Why don’t more people buy electric cars?

YOU: What puts many drivers off electric cars is that           across regions.

remains
distributed
charging
unevenly
infrastructure

2. COLLEAGUE: Why are people hesitant to buy EVs?

YOU: What concerns potential buyers most is how         resale value over time.

affect
battery
might
degradation

3. STUDENT: What do EV supporters usually say?

YOU: What advocates emphasize is that electric vehicles       air pollution in urban areas.

reduce
local
significantly

4. FRIEND: Is EV infrastructure sufficient where you live?

YOU: Where I live, there are far fewer     than would be needed.

stations
fast-charging

5. DRIVER: Why do people worry about EV travel?

YOU: Where long-distance travel is common, drivers tend to worry about whether they       charging points.

find
will
reliable

6. FRIEND: Why are EVs attractive?

YOU: What         is that their operating costs are lower.

makes
appealing
electric
cars

7. STUDENT: What do critics say?

YOU: What critics often point out is that       still rely on fossil fuels.

generation
may
electricity

8. FRIEND: What’s uncertain about EVs?

YOU: What remains unclear to many consumers is whether       will scale efficiently.

systems
battery
recycling

9. NEWS: EV prices vary greatly.

YOU: Where governments provide subsidies,     become more affordable.

vehicles
electric

10. DRIVER: What do people like about EVs?

YOU: What drivers appreciate is how quietly     operate.

cars
electric

11. FRIEND: Why do some people avoid EVs?

YOU:                       .

refueling
discourages
charging
takes
some
buyers
longer
What
is
that
than

12. STUDENT: Where do EVs really contribute to decreasing carbon emissions?

YOU:                               carbon emissions.

cars
Where
grid,
energy
contribute
meaningfully
dominate
to
sources
the
reducing
renewable
far
electric
more

13. ENGINEER: What are manufacturers improving?

YOU:                     can be charged.

improve
are
manufacturers
how
batteries
What
to
is
quickly
striving

14. DRIVER: Why is range anxiety still a problem?

YOU:                     to fast refuelling.

are
range
makes
persistent
drivers
accustomed
What
that
is
anxiety

15. FUTURIST: What about the future of EVs?

YOU:                    omnipresent .

to
Where
become
vehicles
continues
likely
innovation
technological
are
electric

Total Questions: 4

Correct Answers: 0

Incorrect Answers: 0