Say this sentence aloud and count how many seconds it takes.
The beautiful Mountain appeared transfixed in the distance.
He can come on Sundays as long as he doesn't have to do any homework in the evening.
Time required? Probably about 5 seconds.
This simple exercise makes a very important point about how we speak and use English. Namely, English is considered a stressed language while many other languages are considered syllabic. What does that mean? It means that, in English, we give stress to certain words while other words are quickly spoken (some students say eaten!). In other languages, such as French or Italian, each syllable receives equal importance (there is stress, but each syllable has its own length).
Many speakers of syllabic languages don't understand why we quickly speak, or swallow, a number of words in a sentence. In syllabic languages each syllable has equal importance, and therefore equal time is needed. English however, spends more time on specific stressed words while quickly gliding over the other, less important, words.
Let's look at a simple example: the modal verb "can". When we use the positive form of "can" we quickly glide over the can and it is hardly pronounced.
As you can see from the above example the sentence, "They can't come on Friday" is longer than "They can come on Friday" because both the modal "can't" and the verb "come" are stressed.
So, what does this mean for my speaking skills?
Well, first of all, you need to understand which words we generally stress and which we do not stress. Basically, stress words are considered CONTENT WORDSsuch as
• Nouns e.g. kitchen, Peter
• (most) principal verbs e.g. visit, construct
• Adjectives e.g. beautiful, interesting
• Adverbs e.g. often, carefully
Non-stressed words are considered FUNCTION WORDSsuch as
• Determiners e.g. the, a, some, a few
• Auxiliary verbs e.g. don't, am, can, were
• Prepositions e.g. before, next to, opposite
• Conjunctions e.g. but, while, as
• Pronouns e.g. they, she, us
Even though the second sentence is approximately 30% longer than the first, the sentences take the same time to speak. This is because there are 5 stressedwords in each sentence. From this example, you can see that you needn't worry about pronouncing every word clearly to be understood (we native speakers certainly don't). You should however, concentrate on pronouncing the stressed words clearly.
Now, do some listening comprehension or go speak to your native English speaking friends and listen to how we concentrate on the stressed words rather than giving importance to each syllable. You will soon find that you can understand and communicate more because you begin to listen for (and use in speaking) stressed words. All those words that you thought you didn't understand are really not crucial for understanding the sense or making yourself understood. Stressed words are the key to excellent pronunciation and understanding of English.