![To be able to' is used to express ability in all tenses and it also substitutes 'can' in all the forms in which it is not possible. Examples: We weren't. - ppt To be able to' is used to express ability in all tenses and it also substitutes 'can' in all the forms in which it is not possible. Examples: We weren't. - ppt](https://slideplayer.com/slide/13222172/79/images/2/%E2%80%98Could%E2%80%99+or+%E2%80%98be+able+to%E2%80%99+I+could+speak+Spanish+so+I+was+able+to+understand+and+answer+all+his+questions.jpg)
To be able to' is used to express ability in all tenses and it also substitutes 'can' in all the forms in which it is not possible. Examples: We weren't. - ppt
![CAN / BE ABLE TO. 1. ABILITY He can speak two foreign languages fluently. He can speak two foreign languages fluently. He is able to speak two foreign. - ppt download CAN / BE ABLE TO. 1. ABILITY He can speak two foreign languages fluently. He can speak two foreign languages fluently. He is able to speak two foreign. - ppt download](https://images.slideplayer.com/8/2287611/slides/slide_6.jpg)
CAN / BE ABLE TO. 1. ABILITY He can speak two foreign languages fluently. He can speak two foreign languages fluently. He is able to speak two foreign. - ppt download
![English Grammar Lesson: Can, Could, Be Able To, & Was Able To | Happy English – Free English Lessons English Grammar Lesson: Can, Could, Be Able To, & Was Able To | Happy English – Free English Lessons](https://www.myhappyenglish.com/free-english-lesson/wp-content/uploads/2013/10/learn-english-free-lesson-can-could-be-able-to.jpg)
English Grammar Lesson: Can, Could, Be Able To, & Was Able To | Happy English – Free English Lessons
![Can, Could, Be Able To Guide & In-Context Exercises with Key (2 pages + key). - ESL worksheet by juliag Can, Could, Be Able To Guide & In-Context Exercises with Key (2 pages + key). - ESL worksheet by juliag](https://www.eslprintables.com/previews/435198_1-Can_Could_Be_Able_To_Guide_In_Context_Exercises_with_Key_2_pages_key_.jpg)