1. As / Whereas/ While X verb, Y verb (at the same time).

• While the figure for factories in Japan went up dramatically to 120,000 in 2010, the quantity in Korea plummeted to 12,000 at the same time.

2. Clause, followed by + Noun Phrase

• There was a dramatic growth in the number of factories in Japan to 120.000 in 2010, followed by a sharp decrease to 1,000 in 2015.

3. Clause, prior to/before  Verb-ing

• The number of factories in Japan experienced an increase to 120,000 in 2010, before hitting a free fall to 1,000 in 2015.

4. Clause, after Verb – ing

• The figure for factories in Japan hit a free fall to 1,000 in 2015, after undergoing an increase to 120,000 in 2010.

• In comparison with the number of factories in Japan, which witnessed a dramatic increase to 120,000 in 2010, the quantity in Korea plummeted to 12,000 at this time.

6. X verb, Verb-ing, (which verb).

• The quantity of factories in Japan went through a period of dramatic increase to 120,000 in 2010, exceeding the number in Korea, which had only 12,000.