Page 84 - BB_Textbook

Here are the verbs that changed into simple past tense:
Life in the Future
Complete the following paragraph:
The signs of climate change were all around us. Temperatures got warmer, giant sheets of ice melted and the oceans rose. So, we
(reduce)__________________ our carbon footprint. We (release) __________________ less carbon dioxide into the atmosphere. We (generate) __________________ electricity from clean sources. These sources (be) __________________ solar
and wind instead of coal, oil or gas. We (stop) __________________ driving our cars and (use) __________________ public transportation. We (become) __________________ more aware and (change) __________________ our habits. We
(turn) __________________ off the lights that
(be) __________________ not in use. We (walk) __________________ or (bike) __________________ when possible. We made smart choices and (save) __________________ on earth.
Simple past tense of Simple past tense of regular verbs irregular verbs
Be
bloom → bloomed die → died
melt → melted* suffer → suffered stop → stopped**
I was
you were he was she was
it was
we were you were they were
get → got
rise v rose
do → did
keep → kept spread → spread have → had become → became make → made
* sometimes adding -ed to verbs changes the word, and adds a syllable. Melt is 1 syllable, melt - ed is 2 syllables.
** onesyllableverbsendinginavowelthenconsonantmust double the final consonant when adding -ed, so stop becomes stopped.
To form the simple present: verb + -ed
SIMPLE PRESENT (a) I SIMPLE PAST (b) I
listen to my teacher every day. listened to my teacher yesterday.
SIMPLE PRESENT (c) The ice melts in the spring. SIMPLE PAST (d) The ice melted last spring.
84 CHAPTER 2 | CLIMATE
BENDING BAMBOO