Hi,
Thanks again for your attention . Concerning to the sentence "She began to understand the lessons", I only asked you why we couldn't use: "She began understanding the lessons, because I saw a book saying that when we have verbs of beginning, continuing, and ending such as begin,start,cease, continue, and these verbs are followed by verbs of knowing/understanding, infinitive is usually used usually, yes because these verbs involve states and are normally used in the progressive. I think you mean 'not normally used in the progressive'.
Example: You can begin writing now (or) You can begin to write now.
But then the book continues by saying afterwards, that in an example like this one: "He began to understand", that there's no alternative.
Can you help once more with it, please?! (even a friend of mine that is studying together with me, also sent a message about it today, which title is" The -ING Form. He said that only one replied him, but didn't give an explanation. So if you could take a look at that message You want me to look at something outside this post? Where is it?and help us , we will be very grateful!
Michael Swan addresses this point in his book 'Practical English Usage'. ( Section on "-ing form or infinitive" ) Let me try to summarize a bit. He says some interesting things, although finally he suppports your original thought and I find myself disagreeing with him!
In 'He started smoking', 'smoking' is not a progressive tense. It is what Swan calls an '-ing form' because he says that grammarians often differ in various cases over whether words like 'smoking' here are a present participle or a gerund.
Let's focus on begin/start. Swan notes that these verbs can be followed by either the infinitive or the -ing form of most verbs, usually with no difference in meaning. He says the -ing is perhaps more common when we want to suggest the beginning of a long activity. eg At the age of eight, he began learning English. He notes that the -ing form is not used after the progressive tense of begin/start, eg don't say 'He was beginning learning English'.
But he gos on to say that after begin/start, the verb 'understand' does not take the -ing form. eg she began to understand what he really wanted, not she began understanding what he really wanted. Hmmmm. He's Michael Swan and I'm not.
All I can say that is that the latter example sounds acceptable to me, because of what Swan himself said earlier about to "suggest the beginning of a long activity", ie it would take her a long time to finish understanding what he really wanted. To try and support my opinion, I offer the fact that Google seems to give a rough count of 61,400 hits for "begin understanding", 110,000 hits for "start understanding".
Sorry these comments got a bit lengthy.
Best wishes, Clive