Question

pick out infinitves and tell how it is used.
1) He is excited to teach students
2) I earn to survive
3)She appears to be happy
4) The plane is about to take off​

Answer 1

Answer:

in first it is to teach in second to survive 3 to be happy 4 to take off

Explanation:

infinitves are generally used with 'to' which do not have to are bare infinitves