He ______ (has been playing / played) football for two hours.

Choose the correct sentence:

They ______ (work) on this project since last Monday.

This grammar type is used to make guesses about a situation based on evidence or logic.

after / eaten / left / had / they / they / the / house / .

This tense is used to describe actions that were completed before another action in the past.

By the time the teacher arrived, the students ______ (already start) the activity.

Fill in the blanks: She ______ (travel) to Hanoi last year, but she ______ (not visit) Ha Long Bay yet.

I ______ (study) for three hours. I need a break.

This grammar type helps explain ongoing actions or habits in the recent past, focusing on their effect now. For example: "I’ve been feeling tired lately."

the / they / last / watched / movie / week / .

Fill in the blanks: I ______ (meet) my best friend in 2019, and we ______ (stay) close ever since.

forgotten / must / have / phone / her / at / she / home / .