Consider the sentence “Adults are also invited to contribute...
Answer the question based on the following text.
( ) It is an example of the type 1 conditional. ( ) It refers to the present time, and it refers to something that is possible and real. ( ) If we change the sentence to the type 3 conditional, the if clause verb tense would be the present perfect and the main clause verb tense would be the perfect continuous.
The correct order of filling in the parenthesis, from the top to the bottom, is: