Question

Use the time clauses in the boxes to complete the sentences. Pay particular attention to the words
that come before or after the time clause.

One action or situation occurring before another action or situation

prior to, previously, earlier, formerly, precede, by the time


1. ……...............…. the advent of the Industrial Revolution, pollution was virtually unheard of.
2. ……...............…. the army had restored order, the city had been almost completely devastated.
3. ……...............….known as Burma, the republic of Myanmar is undergoing a slow and painful
political transformation.
4. A sudden drop in temperature will usually ……...............…. a blizzard.
5. It was my first trip on an airplane. ……...............…. I'd always gone by train.
6. The President made a speech praising charity organizations working in Mozambique.
……...............….that day he had promised massive economic aid to stricken areas.

Answer 1

Respuesta:

1. prior to (this expression is usually followed by a noun or by an -ing verb. For example: Prior to visiting to country, he had to study the language)
2. By the time
3. Formerly / Previously
4. precede
5. Previously
6. Previously / Earlier