Question

Read the sentences and underline the gerund and full
infinitives.
a) Scientists have begun to research new ways of communication.
Scientists have begun researching new ways of
communication.
b) The teacher stopped to write on the board.
The teacher stopped writing on the board.

Answer 1

a) Scientists have begun to research new ways of communication. - infinitive

Scientists have begun researching new ways of communication. - gerund

b) The teacher stopped to write on the board. - infinitive

The teacher stopped writing on the board. - gerund