The Perfect Infinitive (C1)

He seems __________  his wallet at home.

• have forgot

• to have forgot

• to have forgotten

• to forgotten

They appear __________  the project ahead of time.

• have completed

• to have completed

• to completed

• to have completed

We seem __________  the instructions correctly.

• to have followed

• to followed

• have followed

• to have followed

They happened __________ before the meeting.

• to have met

• to met

• to have meet

• to met have

Leonardo da Vinci seems __________  a flying machine centuries before airplanes were invented.

• to have designed

• to design

• to designed

• to have design

Cleopatra appears __________  several languages fluently.

• to have speak

• to have spoke

• to be spoken

• to have spoken

Isaac Newton happened __________  the laws of motion in his 20s.

• to have formulate

• to have formulated

• have formulated

• to formulated

Albert Einstein acknowledged __________ with his early schooling.

• to struggled

• to have struggle

• struggling

• to have struggled

Nikola Tesla _______________ the field of electricity with his inventions.

• consider to have revolutionized

• was considered to have revolutionized

• was considered to have revolutionize

• consider to revolutionized

Mozart __________________ music at the age of 5.

• know how to compose

• known to have have composed

• is known to have composed

• are known to have composed