s1018 activities

ACTIVITY SHEET

EPISODE 18: SALINITY

Based on the context, identify whether the adverbial clause of time in the following
sentences is formed using a time sequence marker, the present or the perfect
participial form.
Question 1:

After melting the copper in the smeltery, the workers pour it into a
mould for pipes.

Answer:

a. time sequence marker
b. present participial form
c. perfect participial form

Question 2:

Before the farmers load the wheat onto the trucks, it is harvested from
the field.

Answer:

a. time sequence marker
b. present participial form
c. perfect participial form

Question 3:

Having struck oil in the desert, the engineers documented the location.

Answer:

a. time sequence marker
b. present participial form
c. perfect participial form

Question 4:

While going to class, Jane witnessed the accident in the chemistry lab.

Answer:

a. time sequence marker
b. present participial form
c. perfect participial form

Question 5:

Having passed the final exam, the students will be accepted into the
Diploma program.

Answer:

a. time sequence marker
b. present participial form
c. perfect participial form

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Question 6:

Before travelling to the Amazon, Tom will get some malaria tablets.

Answer:

a. time sequence marker
b. present participial form
c. perfect participial form

Question 7:

When the trees arrive at the paper mill, they are stripped of bark.

Answer:

a. time sequence marker
b. present participial form
c. perfect participial form

Question 8:

After completing its life cycle, the tree fern begins again.

Answer:

a. time sequence marker
b. present participial form

c. perfect participial form

Question 9:

When the hatched turtles returned to the sea, they were attacked by
the seagulls.

Answer:

a. time sequence marker
b. present participial form
c. perfect participial form

Question 10:

While the wood pulp is cleaned, it is chemically bleached.

Answer:

a. time sequence marker
b. present participial form
c. perfect participial form

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ANSWERS

1. After melting the copper in the smeltery, the workers pour it into a mould for
pipes.

b. present participial form
2. Before the farmers load the wheat onto the trucks, it is harvested from the field.
a. time sequence marker
3. Having struck oil in the desert, the engineers documented the location.
c. perfect participial form
4. While going to class, Jane witnessed the accident in the chemistry lab.
b. present participial form
5. Having passed the final exam, the students will be accepted into the Diploma
program.
c. perfect participial form
6. Before travelling to the Amazon, Tom will get some malaria tablets.
b. present participial form
7. When the trees arrive at the paper mill, they are stripped of bark.
a. time sequence marker
8. After completing its life cycle, the tree fern begins again.
b. present participial form
9. When the hatched turtles returned to the sea, they were attacked by the seagulls.
a. time sequence marker
10. While the wood pulp is cleaned, it is chemically bleached.
a. time sequence marker

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