Change the sentences into negative present perfect tense 1.He has crossed the river. 2.They have planted trees. 3.We have finished our work. 4.You have written a poem. 5.The farmer has watered the plants

Change the sentences into negative present perfect tense 1.He has cr

1.	Change the sentences into negative present perfect tense 1.He has crossed the river. 2.They have planted trees. 3.We have finished our work. 4.You have written a poem. 5.The farmer has watered the plants
Answer» 1. He has not crossed the river.2. They have not planted trees.3. We have not finished our work.4. You have not WRITTEN a poem.5. The farmer has not WATERED the plants.