was, were, be, lose, lost, losing

The police ______ busy searching the wood for a ______ child.

Why are some verbs called non-finite verbs? How many types of non-finite verbs do we recognize? Give one example for each type.

Rewriting the second sentence by using a cohesive device:

The child doesn’t like this book. Show him a more interesting book.

Using inversion:

There was a sudden gust of wind and his hat went away.

What are determiners? In terms of function, which two types can they break into? Give one example for each type.

Using extraposition:

How the prisoner escaped remains a mystery.

Using a cleft sentence:

Queen Elizabeth, the daughter of Henry Ⅷ, finally led England to greatness as a merchant power.

Using passive voice:

One has to sign the form in the presence of a witness.

Using a conjunct:

Most people can learn the basics of a craft quickly. They can learn to carve, weave or solder in weeks.

Using a disjunct:

It is odd enough that he did not raise any objection to the plan.

Combining the two sentences by using a relative clause:

The policeman picked up the child. The child’s arm was broken.