He began (learn) English 2 years ago. -> began (quá khứ đơn)
* You shouldn't give up smoking (smoke) or you will die of cancer. -> smoking (danh động từ)
* I was urged (urge) to save money to buy (buy) a new dictionary. -> was urged (quá khứ đơn, bị động), to buy (tương lai)
* She was too scared (tell) Mary what she really thought. -> was too scared (quá khứ đơn)
* It is thought (think) to be a threat for a while. -> is thought (hiện tại đơn, bị động)
* The doctor does not know how (do) a complex machine. -> how to do (cụm từ "how to")
* They have got (get) too many sweets. -> got (hiện tại hoàn thành)
* It's no good for children eating (eat) too many sweets. -> no good for, eating (gerund)
* They let him go (go) independently. -> go (động từ nguyên thể)
* They have made their children go (go) to bed earlier. -> go (động từ nguyên thể)
* She warned me not to touch (not touch) the wire. -> not to touch (tương lai đơn phủ định)
* Son is going to have someone paint (paint) his house next Friday. -> paint (động từ nguyên thể)
* I must ask you to stop (stop) talking (talk) online. -> to stop, talking (gerund)
* She promised (prepare) me a game online for the party. -> (prepare) (thiếu động từ, có thể là "to prepare" hoặc "preparing")
* She made her son wash (wash) the windows before he could go outside (play). -> wash, (play) (thiếu động từ, có thể là "to play")
* We had nothing to do (do) except look at the cinema posters. -> to do (tương lai)
* It made him angry to wait (wait) for people who were late. -> to wait (tương lai)
* I couldn't understand what the passage said, so I had my friend translate (translate) it for me. -> translate (động từ nguyên thể)
* It's important to start (start) the meeting on time. -> to start (tương lai)
* There are too many people here for me to talk (talk) to all of them. -> to talk (tương lai)
* (Making) (make) bread, you usually need flour, salt, and yeast. -> Making (danh động từ)
* Talking (talk) to friends is nice but being (be) alone is also enjoyable. -> Talking, being (danh động từ)