There __w_e_r_e__(be) hundreds of different kinds of dinosaurs, but they ____d_id_n_’t_l_iv_e_____(not live) at the same time.
Some dinosaurs __w__e_re____(be) really small.One of the smallest dinosaurs__w_a_s_(be) about one metre long and _w_e_ig_h_e_d__(weigh) about three kilograms.Others _w_e_r_e__(be) really big.Some very large ones _w_e_ig_h_e_d__(weigh) over 100,000 kilograms and some __w_e_r_e____(be ) about 40 metres long.
Regular verbs(规则动词)
一般在动词原形末尾 加-ed
结尾是e的动词加-d
末尾只有一个辅音字 母的重读闭音节词,先 双写这个辅音字母,再 加-ed
结尾是“辅音字母+y” 的动词,先变“y”为“ i” 再加-ed
原形 row play
dance live chat stop
cry study
biggest, 40 meters long weigh over 100,000 kilograms.
Dinosaurs’ food
eat ate
plants
meat
lay eggs
Can you help me ?
Dinosaurs ___liv_e_d____(live) on Earth a long time ago. We now know that the first dinosaurs _a_p_p_e_a_re_d__(appear) about 230 million years ago. However, scientists believe they __w_e_r_e___(be ) not the first animals on Earth.