The key to exercise solutions in chapter Grammar Bank 1 for the textbook Spark 4 - Workbook with authors Virginia Evans, Jenny Dooley from Express Publishing
Question
Complete the correct infinitive.
Answer
He is very busy. He appears to be very busy.
He is working hard. he appears to be working hard.
He has finished his project. He seems to have finished his project.
He has been having a great time. He appears to be having a great time.
He will be late tonight. He appears to be late tonight.