The Class 222 was built in the light of experience gained with the 220 and 221 units ; in particular , many more components were installed under the floor so as to increase space for passengers .
DET PROPN NUM AUX VERB ADP DET NOUN ADP NOUN VERB ADP DET NUM CCONJ NUM NOUN ; ADP ADJ , ADJ ADJ NOUN AUX VERB ADP DET NOUN SCONJ ADP PART VERB NOUN ADP NOUN .