Exercise 1

Write the present and past time forms of the following verbs as the verb think is written in the table given below.

think

ride

have

give

write

ask

make

try

speak

run

see

do

112. Be very careful not to use the s-form except for the third person singular. Be especially careful in the use of different forms of the verb be. It is in the use of this verb that we so frequently make mistakes. Watch your own language and the conversation of your friends and note these mistakes and correct them in your own mind. These common blunders in the use of English mark us as careless or uneducated by everyone who hears us speak. We have fallen into bad habits oftentimes and make these mistakes when we know better, and only constant watchfulness for a time can overcome the habit. After a time we learn to speak correctly without effort, and then these mistakes made by others offend the ear like a false note in music.

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