Jessica/ enjoy/ movie
Jessica has enjoyed the movie.
Sully's been unemployed for 2 months.
Right
I've ate a lot.
I've eaten a lot.
They ......... started a new course.
have
Ted's just sended a message.
wrong ( Ted's just sent a message.)
eat
eaten
She have been very ill.
She's been very ill.
Sam .......... ............. (sell) her car.
has sold
These guys have sang it twice already.
Wrong ( These guys have sung it twice already.)
swim/ know/ like
swum/ known/ liked
Tom has went to Italy.
Tom has gone to Italy
Scott and I ....................... ( never/ date).
have never dated
Number of smokers/ decrease/ last years
The number of smokers has decreased in the last years.
Our parents haven't never leaved us alone.
Wrong ( Our parents have never left us alone. or Our parents haven't ever left us alone.)
write/ see/ take
written/ seen/ taken
Has you ever bought anything online?
Have you ever bought anything online?
The book ...................... ( inspire) us.
has inspired
tornado/ become/ tropical storm
The tornado has become a tropical storm.
You've understood the use of Present Perfect quite well.
Right
sing / ring / break
sung / rung/ broken
She've gone to Canada.
She's gone to Canada.
Jackson ................. ( not/ throw) his famous birthday party this year.
hasn't thrown or has not thrown