The build this bridge.
-->this bridge........................................
Give me a cup of coffee, or I'll be sleepy
---> If.............................................................
We began talking to her a long time ago
---> We have.............................................
He is writing a letter to his friend at the moment
---> A letter..................................................
We last saw him 3 days ago
---> The last time...............................................
The build this bridge.
-->this bridge.........is built...............................
Give me a cup of coffee, or I'll be sleepy
---> If.......you don't give me a cup of coffee, I'll be sleepy......................................................
We began talking to her a long time ago
---> We have........talked to her for a long time.....................................
He is writing a letter to his friend at the moment
---> A letter.......is being written to his friend by him at the moment...........................................
We last saw him 3 days ago
---> The last time.........we saw him was 3 days ago......................................
They build this bridge.
-->this bridge is built by them.
Give me a cup of coffee, or I'll be sleepy
---> If you give me a cup of coffee, I won't be sleepy.
We began talking to her a long time ago
---> We have talked to her for a long time.
He is writing a letter to his friend at the moment
---> A letter is being written to his friend at the moment.
We last saw him 3 days ago
---> The last time we saw him was 3 days ago.
